Probably 15-20 hours nonstop
1000/25 = 40 hours.
5 hours.
1000 / 75 = 13.333 hours
20 hours. Working out: 1000 miles (1000X100=10 hours) 2000 miles (2000X100=20 hours)
Time = Distance/Speed = 1000 miles /70 mph = 14.286 hours
1,000 / 80 = 12.5 hours
15 hours 23 minutes.
15.38461538461538 hours
15 hours 23 minutes @65 mph
1000 miles, 14 and 1/2 to 15 hours
13 hours 20 minutes.
1000 km = 621 miles. At 55 mph, that would take 11.30 hours or 11 hours 18 minutes.