Need help booking?
Unpublished phone-only deals available
SIF to DUC: distance & flight time
Simara (Simara Airport) → Duncan (Halliburton Field)
8,174 mi
13,155 km · 7,103 nm
16h 30m
estimated nonstop flight time
-10.7h
time difference · heading north
See live SIF→DUC fares Phone-only fares on this route — call free
Flight time details
8,174 miles nonstop takes roughly 16h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Near DUC
Frequently asked questions
How far is SIF from DUC?
The flight distance from Simara (SIF) to Duncan (DUC) is 8,174 miles (13,155 km, 7,103 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to DUC?
A nonstop flight takes about 16h 30m 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 Simara and Duncan?
Duncan is 10.7 hours behind Simara.
What is the cheapest way to fly from SIF to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–DUC that never appear on search engines, with no booking fees.