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DUC to GCI: distance & flight time
Duncan (Halliburton Field) → Guernsey (Guernsey Airport)
4,676 mi
7,525 km · 4,063 nm
9h 38m
estimated nonstop flight time
+6h
time difference · heading northeast
See live DUC→GCI fares Phone-only fares on this route — call free
Flight time details
4,676 miles nonstop takes roughly 9h 38m 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
- DUC — Halliburton Field · Duncan, United States
- GCI — Guernsey Airport · Guernsey, 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 DUC
Near GCI
- JER · Jersey Airport24 mi away
- ACI · Alderney Airport26 mi away
- CER · Cherbourg-Maupertus Airport53 mi away
- GFR · Granville Airport60 mi away
Frequently asked questions
How far is DUC from GCI?
The flight distance from Duncan (DUC) to Guernsey (GCI) is 4,676 miles (7,525 km, 4,063 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to GCI?
A nonstop flight takes about 9h 38m 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 Duncan and Guernsey?
Guernsey is 6 hours ahead of Duncan.
What is the cheapest way to fly from DUC to GCI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–GCI that never appear on search engines, with no booking fees.