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IAH to KOP: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Nakhon Phanom (Nakhon Phanom Airport)
8,904 mi
14,329 km · 7,737 nm
17h 56m
estimated nonstop flight time
+12h
time difference · heading northwest
See live IAH→KOP fares Phone-only fares on this route — call free
Flight time details
8,904 miles nonstop takes roughly 17h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- KOP — Nakhon Phanom Airport · Nakhon Phanom, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 mi away
Frequently asked questions
How far is IAH from KOP?
The flight distance from Houston (IAH) to Nakhon Phanom (KOP) is 8,904 miles (14,329 km, 7,737 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to KOP?
A nonstop flight takes about 17h 56m 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 Houston and Nakhon Phanom?
Nakhon Phanom is 12 hours ahead of Houston.
What is the cheapest way to fly from IAH to KOP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–KOP that never appear on search engines, with no booking fees.