Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. If you're on the night bus from San Luis Obispo to Las Vegas, get comfy and count the stars.īuses are energy-efficient. Start sightseeing the minute your bus leaves the station. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between San Luis Obispo and Las Vegas!