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FLZ to GRM: distance & flight time
Sibolga (Dr Ferdinand Lumban Tobing Airport) → Grand Marais (Grand Marais Cook County Airport)
8,979 mi
14,450 km · 7,802 nm
18h 4m
estimated nonstop flight time
-12h
time difference · heading north
See live FLZ→GRM fares Phone-only fares on this route — call free
Flight time details
8,979 miles nonstop takes roughly 18h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
- 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 FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 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 FLZ from GRM?
The flight distance from Sibolga (FLZ) to Grand Marais (GRM) is 8,979 miles (14,450 km, 7,802 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLZ to GRM?
A nonstop flight takes about 18h 4m 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 Sibolga and Grand Marais?
Grand Marais is 12 hours behind Sibolga.
What is the cheapest way to fly from FLZ to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLZ–GRM that never appear on search engines, with no booking fees.