Need help booking?
Unpublished phone-only deals available
CGN to DEN: distance & flight time
Cologne (Cologne Bonn Airport) → Denver (Denver International Airport)
4,941 mi
7,952 km · 4,294 nm
10h 9m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CGN→DEN fares Phone-only fares on this route — call free
Flight time details
4,941 miles nonstop takes roughly 10h 9m 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
- CGN — Cologne Bonn Airport · Cologne, Germany
- DEN — Denver International Airport · Denver, 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 CGN
- BNJ · Bonn-Hangelar Airport7 mi away
- DUS · Düsseldorf Airport34 mi away
- MGL · Mönchengladbach Airport37 mi away
- ESS · Essen Mulheim Airport38 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is CGN from DEN?
The flight distance from Cologne (CGN) to Denver (DEN) is 4,941 miles (7,952 km, 4,294 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGN to DEN?
A nonstop flight takes about 10h 9m 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 Cologne and Denver?
Denver is 8 hours behind Cologne.
What is the cheapest way to fly from CGN to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGN–DEN that never appear on search engines, with no booking fees.