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THS to SEP: distance & flight time
Sukhothai (Sukhothai Airport) → Stephenville (Stephenville Clark Regional Airport)
8,818 mi
14,192 km · 7,663 nm
17h 45m
estimated nonstop flight time
-12h
time difference · heading north
See live THS→SEP fares Phone-only fares on this route — call free
Flight time details
8,818 miles nonstop takes roughly 17h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- THS — Sukhothai Airport · Sukhothai, Thailand
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is THS from SEP?
The flight distance from Sukhothai (THS) to Stephenville (SEP) is 8,818 miles (14,192 km, 7,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THS to SEP?
A nonstop flight takes about 17h 45m 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 Stephenville?
Stephenville is 12 hours behind Sukhothai.
What is the cheapest way to fly from THS to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THS–SEP that never appear on search engines, with no booking fees.