It depends on your speed.
the 255 min would turn to an 1 hour and 5 min
6 hours and 40 minutes, or 6 and 2/3 hours.
255 days from today, Sep 13 2010.
255 minutes
4 hours 15 minutes equates to 255 minutes.
4*60=240+15=255
255 days
12 days 10 hours.
2 days 6 hours
2 days, 15 hours.
5 days and 16 hours.