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GFK to OSR: distance & flight time
Grand Forks (Grand Forks International Airport) → Ostrava (Ostrava Leos Janáček Airport)
4,670 mi
7,516 km · 4,058 nm
9h 37m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GFK→OSR fares Phone-only fares on this route — call free
Flight time details
4,670 miles nonstop takes roughly 9h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GFK — Grand Forks International Airport · Grand Forks, United States
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
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 GFK
- RDR · Grand Forks Air Force Base10 mi away
- TVF · Thief River Falls Regional Airport47 mi away
- PMB · Pembina Municipal Airport69 mi away
- FAR · Hector International Airport73 mi away
Near OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Frequently asked questions
How far is GFK from OSR?
The flight distance from Grand Forks (GFK) to Ostrava (OSR) is 4,670 miles (7,516 km, 4,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GFK to OSR?
A nonstop flight takes about 9h 37m 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 Forks and Ostrava?
Ostrava is 7 hours ahead of Grand Forks.
What is the cheapest way to fly from GFK to OSR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFK–OSR that never appear on search engines, with no booking fees.