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DUC to KCT: distance & flight time
Duncan (Halliburton Field) → Koggala (Koggala Airport)
9,639 mi
15,512 km · 8,376 nm
19h 22m
estimated nonstop flight time
+10.5h
time difference · heading north
See live DUC→KCT fares Phone-only fares on this route — call free
Flight time details
9,639 miles nonstop takes roughly 19h 22m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- KCT — Koggala Airport · Koggala, Sri Lanka
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 KCT
- HRI · Mattala Rajapaksa International Airport59 mi away
- RML · Colombo Ratmalana Airport65 mi away
- WRZ · Weerawila Airport65 mi away
- CMB · Bandaranaike International Colombo Airport87 mi away
Frequently asked questions
How far is DUC from KCT?
The flight distance from Duncan (DUC) to Koggala (KCT) is 9,639 miles (15,512 km, 8,376 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to KCT?
A nonstop flight takes about 19h 22m 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 Koggala?
Koggala is 10.5 hours ahead of Duncan.
What is the cheapest way to fly from DUC to KCT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–KCT that never appear on search engines, with no booking fees.