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SIF to ROI: distance & flight time
Simara (Simara Airport) → Roi Et (Roi Et Airport)
1,425 mi
2,293 km · 1,238 nm
3h 34m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live SIF→ROI fares Phone-only fares on this route — call free
Flight time details
1,425 miles nonstop takes roughly 3h 34m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 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 SIF from ROI?
The flight distance from Simara (SIF) to Roi Et (ROI) is 1,425 miles (2,293 km, 1,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to ROI?
A nonstop flight takes about 3h 34m 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 Simara and Roi Et?
Roi Et is 1.3 hours ahead of Simara.
What is the cheapest way to fly from SIF to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–ROI that never appear on search engines, with no booking fees.