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GRM to BTC: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Batticaloa (Batticaloa Airport)
8,569 mi
13,790 km · 7,446 nm
17h 16m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRM→BTC fares Phone-only fares on this route — call free
Flight time details
8,569 miles nonstop takes roughly 17h 16m 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 gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- BTC — Batticaloa Airport · Batticaloa, Sri Lanka
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 BTC
- ADP · Ampara Airport26 mi away
- HIM · Hingurakgoda Air Force Base53 mi away
- TRR · China Bay Airport67 mi away
- GIU · Sigiriya Air Force Base67 mi away
Frequently asked questions
How far is GRM from BTC?
The flight distance from Grand Marais (GRM) to Batticaloa (BTC) is 8,569 miles (13,790 km, 7,446 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to BTC?
A nonstop flight takes about 17h 16m 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 Batticaloa?
Batticaloa is 10.5 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to BTC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–BTC that never appear on search engines, with no booking fees.