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GKE to ONT: distance & flight time
Geilenkirchen (Geilenkirchen Air Base) → Ontario (Ontario International Airport)
5,639 mi
9,075 km · 4,900 nm
11h 31m
estimated nonstop flight time
-9h
time difference · heading northwest
See live GKE→ONT fares Phone-only fares on this route — call free
Flight time details
5,639 miles nonstop takes roughly 11h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- GKE — Geilenkirchen Air Base · Geilenkirchen, Germany
- ONT — Ontario International 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 GKE
- AAH · Aachen-Merzbrück Airport11 mi away
- MST · Maastricht Aachen Airport12 mi away
- MGL · Mönchengladbach Airport27 mi away
- LGG · Liège Airport34 mi away
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
Frequently asked questions
How far is GKE from ONT?
The flight distance from Geilenkirchen (GKE) to Ontario (ONT) 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 GKE to ONT?
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 Geilenkirchen and Ontario?
Ontario is 9 hours behind Geilenkirchen.
What is the cheapest way to fly from GKE to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GKE–ONT that never appear on search engines, with no booking fees.