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SPF to GRM: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Grand Marais (Grand Marais Cook County Airport)
681 mi
1,096 km · 592 nm
1h 57m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SPF→GRM fares Phone-only fares on this route — call free
Flight time details
681 miles nonstop takes roughly 1h 57m 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 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 SPF from GRM?
The flight distance from Spearfish-South Dakota (SPF) to Grand Marais (GRM) is 681 miles (1,096 km, 592 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GRM?
A nonstop flight takes about 1h 57m 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 Spearfish-South Dakota and Grand Marais?
Grand Marais is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GRM that never appear on search engines, with no booking fees.