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SDF to ROI: distance & flight time
Louisville (Louisville International Standiford Field) → Roi Et (Roi Et Airport)
8,635 mi
13,897 km · 7,504 nm
17h 24m
estimated nonstop flight time
+11h
time difference · heading north
See live SDF→ROI fares Phone-only fares on this route — call free
Flight time details
8,635 miles nonstop takes roughly 17h 24m 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
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 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 SDF from ROI?
The flight distance from Louisville (SDF) to Roi Et (ROI) is 8,635 miles (13,897 km, 7,504 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to ROI?
A nonstop flight takes about 17h 24m 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 Louisville and Roi Et?
Roi Et is 11 hours ahead of Louisville.
What is the cheapest way to fly from SDF to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–ROI that never appear on search engines, with no booking fees.