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ONT to GKE: distance & flight time
Ontario (Ontario International Airport) → Geilenkirchen (Geilenkirchen Air Base)
5,639 mi
9,075 km · 4,900 nm
11h 31m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→GKE fares Phone-only fares on this route — call free
Flight time details
5,639 miles nonstop takes roughly 11h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- GKE — Geilenkirchen Air Base · Geilenkirchen, Germany
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near GKE
- AAH · Aachen-Merzbrück Airport11 mi away
- MST · Maastricht Aachen Airport12 mi away
- MGL · Mönchengladbach Airport27 mi away
- LGG · Liège Airport34 mi away
Frequently asked questions
How far is ONT from GKE?
The flight distance from Ontario (ONT) to Geilenkirchen (GKE) is 5,639 miles (9,075 km, 4,900 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to GKE?
A nonstop flight takes about 11h 31m 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 Ontario and Geilenkirchen?
Geilenkirchen is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to GKE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–GKE that never appear on search engines, with no booking fees.