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TNH to GRM: distance & flight time
Tonghua (Tonghua Sanyuanpu Airport) → Grand Marais (Grand Marais Cook County Airport)
5,834 mi
9,389 km · 5,070 nm
11h 54m
estimated nonstop flight time
-13h
time difference · heading northeast
See live TNH→GRM fares Phone-only fares on this route — call free
Flight time details
5,834 miles nonstop takes roughly 11h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- TNH — Tonghua Sanyuanpu Airport · Tonghua, China
- 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 TNH
- NBS · Changbaishan Airport98 mi away
- CGQ · Longjia Airport120 mi away
- SHE · Taoxian Airport122 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 TNH from GRM?
The flight distance from Tonghua (TNH) to Grand Marais (GRM) is 5,834 miles (9,389 km, 5,070 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNH to GRM?
A nonstop flight takes about 11h 54m 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 Tonghua and Grand Marais?
Grand Marais is 13 hours behind Tonghua.
What is the cheapest way to fly from TNH to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNH–GRM that never appear on search engines, with no booking fees.