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CTT to GRM: distance & flight time
Le Castellet (Le Castellet Airport) → Grand Marais (Grand Marais Cook County Airport)
4,347 mi
6,995 km · 3,777 nm
8h 59m
estimated nonstop flight time
-7h
time difference · heading northwest
See live CTT→GRM fares Phone-only fares on this route — call free
Flight time details
4,347 miles nonstop takes roughly 8h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- CTT — Le Castellet Airport · Le Castellet, France
- 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 CTT
- TLN · Toulon-Hyères Airport21 mi away
- MRS · Marseille Provence Airport31 mi away
- LTT · La Môle Airport35 mi away
- FRJ · Fréjus Airport49 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 CTT from GRM?
The flight distance from Le Castellet (CTT) to Grand Marais (GRM) is 4,347 miles (6,995 km, 3,777 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTT to GRM?
A nonstop flight takes about 8h 59m 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 Le Castellet and Grand Marais?
Grand Marais is 7 hours behind Le Castellet.
What is the cheapest way to fly from CTT to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTT–GRM that never appear on search engines, with no booking fees.