Need help booking?
Unpublished phone-only deals available
ACI to DEC: distance & flight time
Alderney (Alderney Airport) → Decatur (Decatur Airport)
4,065 mi
6,541 km · 3,532 nm
8h 26m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ACI→DEC fares Phone-only fares on this route — call free
Flight time details
4,065 miles nonstop takes roughly 8h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ACI — Alderney Airport · Alderney, Guernsey
- DEC — Decatur Airport · Decatur, 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 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 ACI from DEC?
The flight distance from Alderney (ACI) to Decatur (DEC) is 4,065 miles (6,541 km, 3,532 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to DEC?
A nonstop flight takes about 8h 26m 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 Alderney and Decatur?
Decatur is 6 hours behind Alderney.
What is the cheapest way to fly from ACI to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–DEC that never appear on search engines, with no booking fees.