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GRM to CNG: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Cognac (Cognac-Châteaubernard (BA 709) Air Base)
4,009 mi
6,452 km · 3,484 nm
8h 20m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GRM→CNG fares Phone-only fares on this route — call free
Flight time details
4,009 miles nonstop takes roughly 8h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- CNG — Cognac-Châteaubernard (BA 709) Air Base · Cognac, France
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 CNG
- ANG · Angoulême-Brie-Champniers Airport26 mi away
- RYN · Royan-Médis Airport32 mi away
- RCO · Rochefort-Saint-Agnant (BA 721) Airport36 mi away
- NIT · Niort-Souché Airport45 mi away
Frequently asked questions
How far is GRM from CNG?
The flight distance from Grand Marais (GRM) to Cognac (CNG) is 4,009 miles (6,452 km, 3,484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to CNG?
A nonstop flight takes about 8h 20m 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 Cognac?
Cognac is 7 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to CNG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–CNG that never appear on search engines, with no booking fees.