Need help booking?
Unpublished phone-only deals available
GRM to CMH: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Columbus (John Glenn Columbus International Airport)
657 mi
1,057 km · 571 nm
1h 54m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRM→CMH fares Phone-only fares on this route — call free
Flight time details
657 miles nonstop takes roughly 1h 54m gate to gate, flying southeast. 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
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- CMH — John Glenn Columbus International Airport · Columbus, 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 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
Near CMH
Frequently asked questions
How far is GRM from CMH?
The flight distance from Grand Marais (GRM) to Columbus (CMH) is 657 miles (1,057 km, 571 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to CMH?
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 Grand Marais and Columbus?
Columbus is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to CMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–CMH that never appear on search engines, with no booking fees.