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GRM to ONO: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Ontario (Ontario Municipal Airport)
1,300 mi
2,092 km · 1,130 nm
3h 18m
estimated nonstop flight time
-1h
time difference · heading west
See live GRM→ONO fares Phone-only fares on this route — call free
Flight time details
1,300 miles nonstop takes roughly 3h 18m 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
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- ONO — Ontario Municipal Airport · Ontario, 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 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is GRM from ONO?
The flight distance from Grand Marais (GRM) to Ontario (ONO) is 1,300 miles (2,092 km, 1,130 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to ONO?
A nonstop flight takes about 3h 18m 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 Ontario?
Ontario is 1 hour behind Grand Marais.
What is the cheapest way to fly from GRM to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–ONO that never appear on search engines, with no booking fees.