Coffs Harbour to Perth campervan: the big east-west crossing

The Coffs Harbour to Perth motorhome road trip is about 4,240 km by the inland sealed route through Tamworth, Dubbo, Broken Hill, Port Augusta, Ceduna, Norseman and the Wheatbelt. Pure wheel time is around 50 hours before fuel stops, roadworks, quarantine checks, laundry, dump points and that mysterious rattle you will decide is probably fine.

You can physically cross in 6 or 7 long days, but most campervan travellers should allow 12 to 16 days. That gives you breathing room for the Waterfall Way, the outback towns, the Nullarbor and one or two short days when the wind is shoving the van around like a shopping trolley.

• Minimum sensible pace: 8 to 10 days if you are comfortable with 500 km days.
• Comfortable pace: 12 to 16 days with restocking and shorter camp afternoons.
• Best season: April to October; summer can push 40°C-plus across western NSW, SA and the Nullarbor.
• Do: book the one-way campervan online early for school holidays and winter migration season.
• Don’t: plan a 700 km day after picking up the keys. First-day optimism is how people meet bollards.

The first proper climb comes early. From Coffs Harbour, the Waterfall Way heads up through Bellingen and Dorrigo, with bends, rainforest shade and enough gradient to remind you that a motorhome is not a hatchback. Use lower gears on descents and let faster traffic pass when it is safe.

A good first overnight is around Dorrigo, Armidale or Tamworth rather than trying to punch through to Dubbo. You will still need time to learn the van: where the fresh-water filler is, how the fridge behaves, and which cupboard launches pasta when you corner too confidently.

• Coffs Harbour to Dorrigo: about 67 km, but slow and twisty.
• Coffs Harbour to Tamworth: about 300 km via Waterfall Way and Armidale.
• Tamworth to Dubbo: about 378 km via Gunnedah, Coonabarabran and Gilgandra.
• Do: fill water before leaving the coast; 80 to 120 litres is common in hire motorhomes and disappears fast with showers.
• Don’t: coast down the ranges riding the brakes. Use engine braking and pull over if anything smells hot.

West of Dubbo the country opens out and the distances stop being polite. The run through Nyngan, Cobar and Wilcannia to Broken Hill is sealed, but it is remote enough that you should treat fuel, water and daylight as planning items, not vibes.

The Cobar to Wilcannia leg is roughly 260 km, and Wilcannia to Broken Hill is about 196 km. Those are not Nullarbor numbers, but they are far enough that a missed fuel stop or a closed bowser can ruin the mood. Road trains use these highways too; sit back, keep left and give them room to pass.

• Dubbo to Cobar: about 400 km via Nyngan.
• Cobar to Wilcannia: about 260 km with very limited services between.
• Wilcannia to Broken Hill: about 196 km on the Barrier Highway.
• Do: avoid driving at dawn, dusk and after dark; kangaroos and emus are not impressed by your itinerary.
• Don’t: pull onto soft shoulders after rain. A two-wheel-drive campervan bogged to the step is not a charming outback yarn.

Broken Hill to Port Augusta is about 412 km, then Port Augusta to Ceduna is another 468 km. This is the section to reset the van before the Nullarbor: full fuel, full water, empty toilet cassette, groceries that will survive quarantine, and a fridge that has not been stuffed so tightly it gives up.

Port Augusta is a proper service town with larger supermarkets, fuel, LPG options, laundries and dump points. Ceduna is the last major town before the long westward haul, and also where you start thinking about biosecurity. Do not stock up on fresh fruit and vegetables before the WA border unless you are happy donating them to the quarantine bin.

• Broken Hill to Port Augusta: about 412 km, all sealed via Peterborough/Barrier Highway connections.
• Port Augusta to Ceduna: about 468 km via Kimba, Wudinna and Minnipa.
• Fuel habit: top up at Port Augusta, Kimba/Wudinna if needed, then Ceduna.
• Do: use powered sites every few nights to recharge batteries properly, especially if running fans in hot weather.
• Don’t: carry loose grey water or empty a cassette anywhere except a signed dump point. Councils are not subtle about fines.

Ceduna to Norseman is about 1,201 km and it is the headline act. The road is sealed and suitable for two-wheel-drive campervans, but it is still a remote crossing with big sky, expensive fuel, patchy mobile coverage and road trains that deserve your full attention.

The longest practical fuel legs are usually around 180 to 192 km if all roadhouses are operating, such as Balladonia to Norseman at about 192 km and Nullarbor Roadhouse to Border Village at about 184 km. Still, top up more often than you would on the coast. Headwinds can push fuel use up sharply in a high-roof motorhome.

• Ceduna to Penong: about 74 km.
• Penong to Nundroo: about 80 km.
• Nundroo to Nullarbor Roadhouse: about 143 km.
• Nullarbor Roadhouse to Border Village: about 184 km.
• Caiguna to Balladonia: about 181 km, including the famous 146.6 km 90 Mile Straight.
• Do: step well clear of cliff edges at the Bunda lookout areas; limestone undercuts are not negotiable.
• Don’t: assume every roadside pull-off allows overnight camping. Read the signs and leave no grey water, rubbish or toilet paper.

From Norseman, the route turns through Coolgardie, Southern Cross, Merredin and Northam before Perth. It is still around 725 km, so do not mentally arrive too early. The Wheatbelt can be hot, windy and deceptively tiring, with long straight sections and harvest traffic in season.

If you have a longer motorhome, check your Perth drop-off plan before entering the suburbs. Height clearances, tight shopping-centre ramps and impatient city traffic are a rude change after a week of roadhouse forecourts the size of paddocks.

• Norseman to Coolgardie: about 166 km.
• Coolgardie to Southern Cross: about 188 km.
• Southern Cross to Merredin: about 236 km.
• Merredin to Perth: about 260 km via Northam and the Great Eastern Highway.
• Do: dump the cassette and refill fuel before the Perth metro area if your return day is tight.
• Don’t: take unsealed shortcuts unless your hire agreement clearly allows it. Many campervan policies exclude dirt roads, station tracks and beaches.