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FSI to NNT: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Nan (Nan Airport)
8,534 mi
13,734 km · 7,416 nm
17h 12m
estimated nonstop flight time
+12h
time difference · heading north
See live FSI→NNT fares Phone-only fares on this route — call free
Flight time details
8,534 miles nonstop takes roughly 17h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- NNT — Nan Airport · Nan, Thailand
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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near NNT
- PRH · Phrae Airport62 mi away
- ZBY · Sayaboury Airport68 mi away
- LPT · Lampang Airport92 mi away
- CEI · Chiang Rai International Airport98 mi away
Frequently asked questions
How far is FSI from NNT?
The flight distance from Fort Sill (FSI) to Nan (NNT) is 8,534 miles (13,734 km, 7,416 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to NNT?
A nonstop flight takes about 17h 12m 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 Fort Sill and Nan?
Nan is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to NNT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–NNT that never appear on search engines, with no booking fees.