For the 400 km, is the A/C or heater on, or the headlights, the speed nice and slow, not much cargo, and heavy use by the driver of pedals? I still want a 20 g

For the 400 km, is the A/C or heater on, or the headlights, the speed nice and slow, not much cargo, and heavy use by the driver of pedals? I still want a 20 gallon gas tank and a lot of filling stations.