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CGN to ACI: distance & flight time
Cologne (Cologne Bonn Airport) → Alderney (Alderney Airport)
421 mi
677 km · 365 nm
1h 23m
estimated nonstop flight time
-1h
time difference · heading west
See live CGN→ACI fares Phone-only fares on this route — call free
Flight time details
421 miles nonstop takes roughly 1h 23m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CGN — Cologne Bonn Airport · Cologne, Germany
- ACI — Alderney Airport · Alderney, Guernsey
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 ACI
- GCI · Guernsey Airport26 mi away
- JER · Jersey Airport34 mi away
- CER · Cherbourg-Maupertus Airport34 mi away
- GFR · Granville Airport64 mi away
Frequently asked questions
How far is CGN from ACI?
The flight distance from Cologne (CGN) to Alderney (ACI) is 421 miles (677 km, 365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGN to ACI?
A nonstop flight takes about 1h 23m 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 Alderney?
Alderney is 1 hour behind Cologne.
What is the cheapest way to fly from CGN to ACI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGN–ACI that never appear on search engines, with no booking fees.