The longest mission i have made are from 3 too 5 hours
i love to play long ones with action in it
try mine missions world cruise part 1 to 3 it's not boring at all
or you can try the Vermasse mission from Hamburg to Marseilles it's only around 3 hours so that are a short one
but if you shall only have a real short one "Hamburg stunt grand prix " only 2 minutes but the record are on 19 seconds
How he made it well well... your can try to beat it
but they only works for shipsim08