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THS to SPF: distance & flight time
Sukhothai (Sukhothai Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
7,920 mi
12,747 km · 6,883 nm
16h
estimated nonstop flight time
-13h
time difference · heading north
See live THS→SPF fares Phone-only fares on this route — call free
Flight time details
7,920 miles nonstop takes roughly 16h gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- THS — Sukhothai Airport · Sukhothai, Thailand
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
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
Frequently asked questions
How far is THS from SPF?
The flight distance from Sukhothai (THS) to Spearfish-South Dakota (SPF) is 7,920 miles (12,747 km, 6,883 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THS to SPF?
A nonstop flight takes about 16h 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 Sukhothai and Spearfish-South Dakota?
Spearfish-South Dakota is 13 hours behind Sukhothai.
What is the cheapest way to fly from THS to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THS–SPF that never appear on search engines, with no booking fees.