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DTM to GRM: distance & flight time
Dortmund (Dortmund Airport) → Grand Marais (Grand Marais Cook County Airport)
4,044 mi
6,507 km · 3,514 nm
8h 24m
estimated nonstop flight time
-7h
time difference · heading northwest
See live DTM→GRM fares Phone-only fares on this route — call free
Flight time details
4,044 miles nonstop takes roughly 8h 24m 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
- DTM — Dortmund Airport · Dortmund, Germany
- 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 DTM
- ESS · Essen Mulheim Airport30 mi away
- DUS · Düsseldorf Airport40 mi away
- GUT · Gütersloh Air Base41 mi away
- FMO · Münster Osnabrück Airport43 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 DTM from GRM?
The flight distance from Dortmund (DTM) to Grand Marais (GRM) is 4,044 miles (6,507 km, 3,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTM to GRM?
A nonstop flight takes about 8h 24m 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 Dortmund and Grand Marais?
Grand Marais is 7 hours behind Dortmund.
What is the cheapest way to fly from DTM to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTM–GRM that never appear on search engines, with no booking fees.