It is 1,440.17 miles according to MapQuest.
It takes about 2 hours and four minutes.
Google Maps estimates the driving time as 20 hours and 38 minutes.
Add 6 hours to the Oklahoma City time to get UTC when Oklahoma City is in STANDARD time (Winter). Add 5 hours when Oklahoma City is in Daylight Saving Time (Summer) to get UTC.
How many hours to fly from Delta ca. to Oklahoma city?
Great Falls is in Montana.
Google Maps estimates the driving time as 2 hours and 22 minutes,
1261 miles
It is 570 miles from Great Falls, MT to SLC, UT and takes approximately 8 hours 54 minutes to drive.
3 hours
516 mi - about 7 hours 4 mins
It is 7.5 hours.
The flight from Oklahoma City, Oklahoma to Paris, France is roughly 11 hours.