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BUF to UNN: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Ranong (Ranong Airport)
8,790 mi
14,147 km · 7,639 nm
17h 42m
estimated nonstop flight time
+11h
time difference · heading north
See live BUF→UNN fares Phone-only fares on this route — call free
Flight time details
8,790 miles nonstop takes roughly 17h 42m 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
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- UNN — Ranong Airport · Ranong, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Near UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is BUF from UNN?
The flight distance from Buffalo (BUF) to Ranong (UNN) is 8,790 miles (14,147 km, 7,639 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to UNN?
A nonstop flight takes about 17h 42m 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 Buffalo and Ranong?
Ranong is 11 hours ahead of Buffalo.
What is the cheapest way to fly from BUF to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–UNN that never appear on search engines, with no booking fees.