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YSP to ROI: distance & flight time
Marathon (Marathon Airport) → Roi Et (Roi Et Airport)
7,912 mi
12,733 km · 6,875 nm
15h 59m
estimated nonstop flight time
+11h
time difference · heading north
See live YSP→ROI fares Phone-only fares on this route — call free
Flight time details
7,912 miles nonstop takes roughly 15h 59m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- YSP — Marathon Airport · Marathon, 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 YSP
- YMG · Manitouwadge Airport32 mi away
- YGQ · Geraldton Greenstone Regional Airport76 mi away
- YHN · Hornepayne Municipal Airport78 mi away
- YXZ · Wawa Airport90 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 YSP from ROI?
The flight distance from Marathon (YSP) to Roi Et (ROI) is 7,912 miles (12,733 km, 6,875 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSP to ROI?
A nonstop flight takes about 15h 59m 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 Marathon and Roi Et?
Roi Et is 11 hours ahead of Marathon.
What is the cheapest way to fly from YSP to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSP–ROI that never appear on search engines, with no booking fees.