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IAD to CGN: distance & flight time
Washington (Washington Dulles International Airport) → Cologne (Cologne Bonn Airport)
3,989 mi
6,420 km · 3,467 nm
8h 17m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→CGN fares Phone-only fares on this route — call free
Flight time details
3,989 miles nonstop takes roughly 8h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- CGN — Cologne Bonn Airport · Cologne, 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 IAD
Near CGN
- BNJ · Bonn-Hangelar Airport7 mi away
- DUS · Düsseldorf Airport34 mi away
- MGL · Mönchengladbach Airport37 mi away
- ESS · Essen Mulheim Airport38 mi away
Frequently asked questions
How far is IAD from CGN?
The flight distance from Washington (IAD) to Cologne (CGN) is 3,989 miles (6,420 km, 3,467 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to CGN?
A nonstop flight takes about 8h 17m 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 Washington and Cologne?
Cologne is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to CGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–CGN that never appear on search engines, with no booking fees.