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GKE to WBU: distance & flight time
Geilenkirchen (Geilenkirchen Air Base) → Boulder (Boulder Municipal Airport)
4,909 mi
7,900 km · 4,266 nm
10h 6m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GKE→WBU fares Phone-only fares on this route — call free
Flight time details
4,909 miles nonstop takes roughly 10h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- GKE — Geilenkirchen Air Base · Geilenkirchen, Germany
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is GKE from WBU?
The flight distance from Geilenkirchen (GKE) to Boulder (WBU) is 4,909 miles (7,900 km, 4,266 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GKE to WBU?
A nonstop flight takes about 10h 6m 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 Boulder?
Boulder is 8 hours behind Geilenkirchen.
What is the cheapest way to fly from GKE to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GKE–WBU that never appear on search engines, with no booking fees.