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FNL to RDR: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Red River (Grand Forks Air Force Base)
641 mi
1,031 km · 557 nm
1h 52m
estimated nonstop flight time
+1h
time difference · heading northeast
See live FNL→RDR fares Phone-only fares on this route — call free
Flight time details
641 miles nonstop takes roughly 1h 52m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- RDR — Grand Forks Air Force Base · Red River, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
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
Frequently asked questions
How far is FNL from RDR?
The flight distance from Fort Collins (FNL) to Red River (RDR) is 641 miles (1,031 km, 557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to RDR?
A nonstop flight takes about 1h 52m 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 Fort Collins and Red River?
Red River is 1 hour ahead of Fort Collins.
What is the cheapest way to fly from FNL to RDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–RDR that never appear on search engines, with no booking fees.