It's a matter of practice. 500 km is 312.5 miles. At 60 mph, this is about 5 hours of driving. You can definitely handle 5 hours of driving at one shot. Start a

It's a matter of practice. 500 km is 312.5 miles. At 60 mph, this is about 5 hours of driving. You can definitely handle 5 hours of driving at one shot. Start at a time when you don't expect to feel sleepy for the next 5 hours and you'll be set.