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AAP to ROI: distance & flight time
Houston (Andrau Airpark) → Roi Et (Roi Et Airport)
9,017 mi
14,511 km · 7,835 nm
18h 9m
estimated nonstop flight time
+12h
time difference · heading northwest
See live AAP→ROI fares Phone-only fares on this route — call free
Flight time details
9,017 miles nonstop takes roughly 18h 9m 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
- AAP — Andrau Airpark · Houston, United States
- ROI — Roi Et Airport · Roi Et, 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 AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 mi away
Near ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is AAP from ROI?
The flight distance from Houston (AAP) to Roi Et (ROI) is 9,017 miles (14,511 km, 7,835 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AAP to ROI?
A nonstop flight takes about 18h 9m 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 Roi Et?
Roi Et is 12 hours ahead of Houston.
What is the cheapest way to fly from AAP to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AAP–ROI that never appear on search engines, with no booking fees.