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RML to GRM: distance & flight time
Colombo (Colombo Ratmalana Airport) → Grand Marais (Grand Marais Cook County Airport)
8,614 mi
13,863 km · 7,485 nm
17h 21m
estimated nonstop flight time
-10.5h
time difference · heading north
See live RML→GRM fares Phone-only fares on this route — call free
Flight time details
8,614 miles nonstop takes roughly 17h 21m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- 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 RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 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 RML from GRM?
The flight distance from Colombo (RML) to Grand Marais (GRM) is 8,614 miles (13,863 km, 7,485 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to GRM?
A nonstop flight takes about 17h 21m 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 Colombo and Grand Marais?
Grand Marais is 10.5 hours behind Colombo.
What is the cheapest way to fly from RML to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–GRM that never appear on search engines, with no booking fees.