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KEL to WBU: distance & flight time
Kiel (Kiel-Holtenau Airport) → Boulder (Boulder Municipal Airport)
4,879 mi
7,852 km · 4,240 nm
10h 2m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KEL→WBU fares Phone-only fares on this route — call free
Flight time details
4,879 miles nonstop takes roughly 10h 2m 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
- KEL — Kiel-Holtenau Airport · Kiel, 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 KEL
- EUM · Neumünster Airport22 mi away
- WBG · Schleswig Air Base26 mi away
- FLF · Flensburg-Schäferhaus Airport41 mi away
- SGD · Sønderborg Airport43 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 KEL from WBU?
The flight distance from Kiel (KEL) to Boulder (WBU) is 4,879 miles (7,852 km, 4,240 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEL to WBU?
A nonstop flight takes about 10h 2m 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 Kiel and Boulder?
Boulder is 8 hours behind Kiel.
What is the cheapest way to fly from KEL to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEL–WBU that never appear on search engines, with no booking fees.