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ACI to RCA: distance & flight time
Alderney (Alderney Airport) → Rapid City (Ellsworth Air Force Base)
4,399 mi
7,080 km · 3,823 nm
9h 6m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACI→RCA fares Phone-only fares on this route — call free
Flight time details
4,399 miles nonstop takes roughly 9h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ACI — Alderney Airport · Alderney, Guernsey
- RCA — Ellsworth Air Force Base · Rapid City, 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
Near RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Frequently asked questions
How far is ACI from RCA?
The flight distance from Alderney (ACI) to Rapid City (RCA) is 4,399 miles (7,080 km, 3,823 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to RCA?
A nonstop flight takes about 9h 6m 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 Rapid City?
Rapid City is 7 hours behind Alderney.
What is the cheapest way to fly from ACI to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–RCA that never appear on search engines, with no booking fees.