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ISM to ROI: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Roi Et (Roi Et Airport)
9,349 mi
15,046 km · 8,124 nm
18h 48m
estimated nonstop flight time
+11h
time difference · heading north
See live ISM→ROI fares Phone-only fares on this route — call free
Flight time details
9,349 miles nonstop takes roughly 18h 48m 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
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 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 ISM from ROI?
The flight distance from Kissimmee (ISM) to Roi Et (ROI) is 9,349 miles (15,046 km, 8,124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to ROI?
A nonstop flight takes about 18h 48m 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 Kissimmee and Roi Et?
Roi Et is 11 hours ahead of Kissimmee.
What is the cheapest way to fly from ISM to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–ROI that never appear on search engines, with no booking fees.