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SPF to DMK: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Bangkok (Don Mueang International Airport)
8,121 mi
13,069 km · 7,057 nm
16h 23m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SPF→DMK fares Phone-only fares on this route — call free
Flight time details
8,121 miles nonstop takes roughly 16h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 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 SPF from DMK?
The flight distance from Spearfish-South Dakota (SPF) to Bangkok (DMK) is 8,121 miles (13,069 km, 7,057 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to DMK?
A nonstop flight takes about 16h 23m 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 Spearfish-South Dakota and Bangkok?
Bangkok is 13 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–DMK that never appear on search engines, with no booking fees.