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SPF to TST: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Trang (Trang Airport)
8,560 mi
13,776 km · 7,439 nm
17h 15m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SPF→TST fares Phone-only fares on this route — call free
Flight time details
8,560 miles nonstop takes roughly 17h 15m 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
- TST — Trang Airport · Trang, 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 TST
- KBV · Krabi Airport59 mi away
- HDY · Hat Yai International Airport66 mi away
- SGZ · Songkhla Airport71 mi away
- NST · Nakhon Si Thammarat Airport75 mi away
Frequently asked questions
How far is SPF from TST?
The flight distance from Spearfish-South Dakota (SPF) to Trang (TST) is 8,560 miles (13,776 km, 7,439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to TST?
A nonstop flight takes about 17h 15m 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 Trang?
Trang is 13 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to TST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–TST that never appear on search engines, with no booking fees.