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DAY to ROI: distance & flight time
Dayton (James M Cox Dayton International Airport) → Roi Et (Roi Et Airport)
8,532 mi
13,731 km · 7,414 nm
17h 12m
estimated nonstop flight time
+11h
time difference · heading north
See live DAY→ROI fares Phone-only fares on this route — call free
Flight time details
8,532 miles nonstop takes roughly 17h 12m 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
- DAY — James M Cox Dayton International Airport · Dayton, 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 DAY
- FFO · Wright-Patterson Air Force Base10 mi away
- SGH · Springfield-Beckley Municipal Airport21 mi away
- MGY · Dayton-Wright Brothers Airport22 mi away
- ILN · Wilmington Airpark40 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 DAY from ROI?
The flight distance from Dayton (DAY) to Roi Et (ROI) is 8,532 miles (13,731 km, 7,414 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DAY to ROI?
A nonstop flight takes about 17h 12m 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 Dayton and Roi Et?
Roi Et is 11 hours ahead of Dayton.
What is the cheapest way to fly from DAY to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DAY–ROI that never appear on search engines, with no booking fees.