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NNT to SPF: distance & flight time
Nan (Nan Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
7,797 mi
12,549 km · 6,776 nm
15h 45m
estimated nonstop flight time
-13h
time difference · heading north
See live NNT→SPF fares Phone-only fares on this route — call free
Flight time details
7,797 miles nonstop takes roughly 15h 45m 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
- NNT — Nan Airport · Nan, 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 NNT
- PRH · Phrae Airport62 mi away
- ZBY · Sayaboury Airport68 mi away
- LPT · Lampang Airport92 mi away
- CEI · Chiang Rai International Airport98 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 NNT from SPF?
The flight distance from Nan (NNT) to Spearfish-South Dakota (SPF) is 7,797 miles (12,549 km, 6,776 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NNT to SPF?
A nonstop flight takes about 15h 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 Nan and Spearfish-South Dakota?
Spearfish-South Dakota is 13 hours behind Nan.
What is the cheapest way to fly from NNT to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NNT–SPF that never appear on search engines, with no booking fees.