about an hour
15mi/65MPH = .23 hr = 13.9 minutes.
19.5 mins
3 hours 13 minutes.
4 hours 41.5 minutes.
4 hours 16 minutes.
12 hours 2 minutes.
.8615384 hours.8615384 hours
6 hr 29 minutes.
1 hour 23 minutes.
9 hours 42.5 minutes.
6 hours 18 minutes 27.7 seconds.