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GRM to TNN: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Tainan (Tainan Airport)
7,190 mi
11,572 km · 6,248 nm
14h 34m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GRM→TNN fares Phone-only fares on this route — call free
Flight time details
7,190 miles nonstop takes roughly 14h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- TNN — Tainan Airport · Tainan, Taiwan
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is GRM from TNN?
The flight distance from Grand Marais (GRM) to Tainan (TNN) is 7,190 miles (11,572 km, 6,248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to TNN?
A nonstop flight takes about 14h 34m 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 Tainan?
Tainan is 13 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–TNN that never appear on search engines, with no booking fees.