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HYS to ROI: distance & flight time
Hays (Hays Regional Airport) → Roi Et (Roi Et Airport)
8,358 mi
13,450 km · 7,262 nm
16h 51m
estimated nonstop flight time
+12h
time difference · heading northwest
See live HYS→ROI fares Phone-only fares on this route — call free
Flight time details
8,358 miles nonstop takes roughly 16h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- HYS — Hays Regional Airport · Hays, 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 HYS
- RSL · Russell Municipal Airport25 mi away
- GBD · Great Bend Municipal Airport41 mi away
- DDC · Dodge City Regional Airport83 mi away
- PTT · Pratt Regional Airport84 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 HYS from ROI?
The flight distance from Hays (HYS) to Roi Et (ROI) is 8,358 miles (13,450 km, 7,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HYS to ROI?
A nonstop flight takes about 16h 51m 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 Hays and Roi Et?
Roi Et is 12 hours ahead of Hays.
What is the cheapest way to fly from HYS to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HYS–ROI that never appear on search engines, with no booking fees.