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GPT to DUC: distance & flight time
Gulfport (Gulfport Biloxi International Airport) → Duncan (Halliburton Field)
589 mi
948 km · 512 nm
1h 45m
estimated nonstop flight time
Same time
time difference · heading northwest
See live GPT→DUC fares Phone-only fares on this route — call free
Flight time details
589 miles nonstop takes roughly 1h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GPT — Gulfport Biloxi International Airport · Gulfport, United States
- DUC — Halliburton Field · Duncan, 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 GPT
- BIX · Keesler Air Force Base9 mi away
- MOB · Mobile Regional Airport53 mi away
- HBG · Hattiesburg Bobby L Chain Municipal Airport60 mi away
- BFM · Mobile Downtown Airport62 mi away
Near DUC
Frequently asked questions
How far is GPT from DUC?
The flight distance from Gulfport (GPT) to Duncan (DUC) is 589 miles (948 km, 512 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GPT to DUC?
A nonstop flight takes about 1h 45m 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 cheapest way to fly from GPT to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GPT–DUC that never appear on search engines, with no booking fees.