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MWA to ROI: distance & flight time
Marion (Williamson County Regional Airport) → Roi Et (Roi Et Airport)
8,623 mi
13,878 km · 7,493 nm
17h 22m
estimated nonstop flight time
+13h
time difference · heading north
See live MWA→ROI fares Phone-only fares on this route — call free
Flight time details
8,623 miles nonstop takes roughly 17h 22m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- MWA — Williamson County Regional Airport · Marion, 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 MWA
- MDH · Southern Illinois Airport13 mi away
- CGI · Cape Girardeau Regional Airport48 mi away
- PAH · Barkley Regional Airport50 mi away
- SIK · Sikeston Memorial Municipal Airport66 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 MWA from ROI?
The flight distance from Marion (MWA) to Roi Et (ROI) is 8,623 miles (13,878 km, 7,493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MWA to ROI?
A nonstop flight takes about 17h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from MWA to ROI?
Nonstop service on MWA–ROI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 22m nonstop estimate.
What is the time difference between Marion and Roi Et?
Roi Et is 13 hours ahead of Marion.
What is the cheapest way to fly from MWA to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MWA–ROI that never appear on search engines, with no booking fees.
Why are some MWA to ROI fares phone-only?
Consolidator contracts let us sell certain MWA–ROI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.