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DWH to ROI: distance & flight time
Houston (David Wayne Hooks Memorial Airport) → Roi Et (Roi Et Airport)
8,996 mi
14,478 km · 7,818 nm
18h 6m
estimated nonstop flight time
+12h
time difference · heading northwest
See live DWH→ROI fares Phone-only fares on this route — call free
Flight time details
8,996 miles nonstop takes roughly 18h 6m 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
- DWH — David Wayne Hooks Memorial Airport · 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 DWH
- IAH · George Bush Intercontinental Houston Airport14 mi away
- IWS · West Houston Airport18 mi away
- CXO · Conroe-North Houston Regional Airport22 mi away
- AAP · Andrau Airpark24 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 DWH from ROI?
The flight distance from Houston (DWH) to Roi Et (ROI) is 8,996 miles (14,478 km, 7,818 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DWH to ROI?
A nonstop flight takes about 18h 6m 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 DWH to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DWH–ROI that never appear on search engines, with no booking fees.