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RCA to GRM: distance & flight time
Rapid City (Ellsworth Air Force Base) → Grand Marais (Grand Marais Cook County Airport)
661 mi
1,063 km · 574 nm
1h 54m
estimated nonstop flight time
+1h
time difference · heading northeast
See live RCA→GRM fares Phone-only fares on this route — call free
Flight time details
661 miles nonstop takes roughly 1h 54m 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
- RCA — Ellsworth Air Force Base · Rapid City, United States
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Near GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Frequently asked questions
How far is RCA from GRM?
The flight distance from Rapid City (RCA) to Grand Marais (GRM) is 661 miles (1,063 km, 574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCA to GRM?
A nonstop flight takes about 1h 54m 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 Rapid City and Grand Marais?
Grand Marais is 1 hour ahead of Rapid City.
What is the cheapest way to fly from RCA to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCA–GRM that never appear on search engines, with no booking fees.