Need help booking?
Unpublished phone-only deals available
RDR to CPR: distance & flight time
Red River (Grand Forks Air Force Base) → Casper (Casper-Natrona County International Airport)
561 mi
902 km · 487 nm
1h 41m
estimated nonstop flight time
-1h
time difference · heading southwest
See live RDR→CPR fares Phone-only fares on this route — call free
Flight time details
561 miles nonstop takes roughly 1h 41m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- RDR — Grand Forks Air Force Base · Red River, United States
- CPR — Casper-Natrona County International Airport · Casper, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RDR
- GFK · Grand Forks International Airport10 mi away
- TVF · Thief River Falls Regional Airport57 mi away
- PMB · Pembina Municipal Airport68 mi away
- DVL · Devils Lake Regional Airport70 mi away
Near CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is RDR from CPR?
The flight distance from Red River (RDR) to Casper (CPR) is 561 miles (902 km, 487 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDR to CPR?
A nonstop flight takes about 1h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Red River and Casper?
Casper is 1 hour behind Red River.
What is the cheapest way to fly from RDR to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDR–CPR that never appear on search engines, with no booking fees.