Need help booking?
Unpublished phone-only deals available
YMH to ROI: distance & flight time
Mary's Harbour (Mary's Harbour Airport) → Roi Et (Roi Et Airport)
7,554 mi
12,157 km · 6,564 nm
15h 17m
estimated nonstop flight time
+9.5h
time difference · heading north
See live YMH→ROI fares Phone-only fares on this route — call free
Flight time details
7,554 miles nonstop takes roughly 15h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- YMH — Mary's Harbour Airport · Mary's Harbour, Canada
- 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 YMH
- YFX · St. Lewis (Fox Harbour) Airport9 mi away
- YWM · Williams Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport24 mi away
- YAY · St. Anthony Airport64 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 YMH from ROI?
The flight distance from Mary's Harbour (YMH) to Roi Et (ROI) is 7,554 miles (12,157 km, 6,564 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YMH to ROI?
A nonstop flight takes about 15h 17m 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 Mary's Harbour and Roi Et?
Roi Et is 9.5 hours ahead of Mary's Harbour.
What is the cheapest way to fly from YMH to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YMH–ROI that never appear on search engines, with no booking fees.