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YSL to ROI: distance & flight time
St Leonard (St Leonard Airport) → Roi Et (Roi Et Airport)
8,034 mi
12,930 km · 6,981 nm
16h 13m
estimated nonstop flight time
—
time difference · heading north
See live YSL→ROI fares Phone-only fares on this route — call free
Flight time details
8,034 miles nonstop takes roughly 16h 13m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YSL — St Leonard Airport · St Leonard, 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 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 YSL from ROI?
The flight distance from St Leonard (YSL) to Roi Et (ROI) is 8,034 miles (12,930 km, 6,981 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to ROI?
A nonstop flight takes about 16h 13m 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 cheapest way to fly from YSL to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–ROI that never appear on search engines, with no booking fees.