The circumference of Mars is over 21,000 km/6,500 mi, with obviously no roads or any sort of support infrastructure. Travelling in the Australian outback or Si

The circumference of Mars is over 21,000 km/6,500 mi, with obviously no roads or any sort of support infrastructure. Travelling in the Australian outback or Siberian tundra for even a few hundred km requires painstaking preparation and contingency planning, with the first rule being "never travel alone". Expecting to traverse distances 100x longer solo, in literally uncharted territory, when a crack in the windshield can kill you is just not realistic.