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SPF to CJM: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Chumphon (Chumphon Airport)
8,357 mi
13,450 km · 7,262 nm
16h 51m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SPF→CJM fares Phone-only fares on this route — call free
Flight time details
8,357 miles nonstop takes roughly 16h 51m 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
- CJM — Chumphon Airport · Chumphon, 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 CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 mi away
Frequently asked questions
How far is SPF from CJM?
The flight distance from Spearfish-South Dakota (SPF) to Chumphon (CJM) is 8,357 miles (13,450 km, 7,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to CJM?
A nonstop flight takes about 16h 51m 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 Chumphon?
Chumphon is 13 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to CJM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–CJM that never appear on search engines, with no booking fees.