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OKO to ROI: distance & flight time
Yokota (Yokota Air Base) → Roi Et (Roi Et Airport)
2,571 mi
4,138 km · 2,235 nm
5h 31m
estimated nonstop flight time
-2h
time difference · heading west
See live OKO→ROI fares Phone-only fares on this route — call free
Flight time details
2,571 miles nonstop takes roughly 5h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- 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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 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 OKO from ROI?
The flight distance from Yokota (OKO) to Roi Et (ROI) is 2,571 miles (4,138 km, 2,235 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to ROI?
A nonstop flight takes about 5h 31m 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 Yokota and Roi Et?
Roi Et is 2 hours behind Yokota.
What is the cheapest way to fly from OKO to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–ROI that never appear on search engines, with no booking fees.