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FSD to ROI: distance & flight time
Sioux Falls (Joe Foss Field Airport) → Roi Et (Roi Et Airport)
8,112 mi
13,056 km · 7,050 nm
16h 22m
estimated nonstop flight time
+12h
time difference · heading north
See live FSD→ROI fares Phone-only fares on this route — call free
Flight time details
8,112 miles nonstop takes roughly 16h 22m gate to gate, flying north. 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
- FSD — Joe Foss Field Airport · Sioux Falls, 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 FSD
- YKN · Chan Gurney Municipal Airport56 mi away
- MHE · Mitchell Municipal Airport66 mi away
- SPW · Spencer Municipal Airport82 mi away
- SUX · Sioux Gateway Col. Bud Day Field83 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 FSD from ROI?
The flight distance from Sioux Falls (FSD) to Roi Et (ROI) is 8,112 miles (13,056 km, 7,050 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSD to ROI?
A nonstop flight takes about 16h 22m 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 Sioux Falls and Roi Et?
Roi Et is 12 hours ahead of Sioux Falls.
What is the cheapest way to fly from FSD to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSD–ROI that never appear on search engines, with no booking fees.