It all depends on how fast you drive. However, as an example, to cover 303 miles would require at least 4 hours and 39 minutes of driving time if you maintained a steady 65 mph. You will have to add time for stops, detours and other delays.
27 mins
About 1 hour 21 minutes at a steady 68 mph.
4 hours and 48 minutes
2 hours 51 minutes.
4 hours 52 minutes.
11 minutes 12 seconds
If you could drive non-stop at a constant speed of 70 mph, it would take 1 hour and 25 minutes.
A little over 52 minutes.
6.66 hours or 6 hours 40 minutes
About 48 minutes and 45 seconds at a steady 65 mph.
260 divided by 65=4 hoursThis is if you average 5 mph.
You will need roughly 4 hours45 minutes. 550 miles X 60 min : 70 miles = 4,71 min