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SFZ to PRH: distance & flight time
Smithfield (North Central State Airport) → Phrae (Phrae Airport)
8,253 mi
13,283 km · 7,172 nm
16h 39m
estimated nonstop flight time
+11h
time difference · heading north
See live SFZ→PRH fares Phone-only fares on this route — call free
Flight time details
8,253 miles nonstop takes roughly 16h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- SFZ — North Central State Airport · Smithfield, United States
- PRH — Phrae Airport · Phrae, 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 SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Near PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 mi away
Frequently asked questions
How far is SFZ from PRH?
The flight distance from Smithfield (SFZ) to Phrae (PRH) is 8,253 miles (13,283 km, 7,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFZ to PRH?
A nonstop flight takes about 16h 39m 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 Smithfield and Phrae?
Phrae is 11 hours ahead of Smithfield.
What is the cheapest way to fly from SFZ to PRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFZ–PRH that never appear on search engines, with no booking fees.