THERE’S NO TYPE OF TRAVEL more liberating than the road trip. When you go on a road trip, you can stop anywhere. You can take unlimited detours, you can discover new things, and you can intentionally get lost. But which countries are the most affordable for road trippers? Insurance 4 Car Hire did the math: including gas and a daily car rental, Norway is the most expensive country to road trip in. Saudi Arabia is the cheapest. Check it out.