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IPT to ROI: distance & flight time
Williamsport (Williamsport Regional Airport) → Roi Et (Roi Et Airport)
8,473 mi
13,637 km · 7,363 nm
17h 5m
estimated nonstop flight time
+11h
time difference · heading north
See live IPT→ROI fares Phone-only fares on this route — call free
Flight time details
8,473 miles nonstop takes roughly 17h 5m 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
- IPT — Williamsport Regional Airport · Williamsport, 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 IPT
- LHV · William T. Piper Memorial Airport27 mi away
- HZL · Hazleton Municipal Airport51 mi away
- SCE · University Park Airport55 mi away
- WBW · Wilkes Barre Wyoming Valley Airport56 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 IPT from ROI?
The flight distance from Williamsport (IPT) to Roi Et (ROI) is 8,473 miles (13,637 km, 7,363 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IPT to ROI?
A nonstop flight takes about 17h 5m 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 Williamsport and Roi Et?
Roi Et is 11 hours ahead of Williamsport.
What is the cheapest way to fly from IPT to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IPT–ROI that never appear on search engines, with no booking fees.