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FSI to DMK: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Bangkok (Don Mueang International Airport)
8,857 mi
14,254 km · 7,697 nm
17h 50m
estimated nonstop flight time
+12h
time difference · heading northwest
See live FSI→DMK fares Phone-only fares on this route — call free
Flight time details
8,857 miles nonstop takes roughly 17h 50m gate to gate, flying northwest. 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
- DMK — Don Mueang International Airport · Bangkok, 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Frequently asked questions
How far is FSI from DMK?
The flight distance from Fort Sill (FSI) to Bangkok (DMK) is 8,857 miles (14,254 km, 7,697 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to DMK?
A nonstop flight takes about 17h 50m 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 Bangkok?
Bangkok is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–DMK that never appear on search engines, with no booking fees.