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YSB to GRM: distance & flight time
Sudbury (Sudbury Airport) → Grand Marais (Grand Marais Cook County Airport)
457 mi
736 km · 397 nm
1h 28m
estimated nonstop flight time
-1h
time difference · heading west
See live YSB→GRM fares Phone-only fares on this route — call free
Flight time details
457 miles nonstop takes roughly 1h 28m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YSB — Sudbury Airport · Sudbury, Canada
- 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 YSB
- YYB · North Bay Jack Garland Airport68 mi away
- YEM · Manitoulin East Municipal Airport74 mi away
- YEL · Elliot Lake Municipal Airport86 mi away
- YXR · Earlton (Timiskaming Regional) Airport87 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 YSB from GRM?
The flight distance from Sudbury (YSB) to Grand Marais (GRM) is 457 miles (736 km, 397 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSB to GRM?
A nonstop flight takes about 1h 28m 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 Sudbury and Grand Marais?
Grand Marais is 1 hour behind Sudbury.
What is the cheapest way to fly from YSB to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSB–GRM that never appear on search engines, with no booking fees.