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EFL to GRM: distance & flight time
Keffallinia (Kefallinia Airport) → Grand Marais (Grand Marais Cook County Airport)
5,139 mi
8,270 km · 4,465 nm
10h 33m
estimated nonstop flight time
-8h
time difference · heading northwest
See live EFL→GRM fares Phone-only fares on this route — call free
Flight time details
5,139 miles nonstop takes roughly 10h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- EFL — Kefallinia Airport · Keffallinia, Greece
- 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 EFL
- ZTH · Zakynthos International Airport "Dionysios Solomos"33 mi away
- PYR · Andravida Air Base45 mi away
- GPA · Araxos Airport50 mi away
- AGQ · Agrinion Air Base57 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 EFL from GRM?
The flight distance from Keffallinia (EFL) to Grand Marais (GRM) is 5,139 miles (8,270 km, 4,465 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to GRM?
A nonstop flight takes about 10h 33m 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 Keffallinia and Grand Marais?
Grand Marais is 8 hours behind Keffallinia.
What is the cheapest way to fly from EFL to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–GRM that never appear on search engines, with no booking fees.