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ORD to ROI: distance & flight time
Chicago (Chicago O'Hare International Airport) → Roi Et (Roi Et Airport)
8,354 mi
13,445 km · 7,260 nm
16h 51m
estimated nonstop flight time
+13h
time difference · heading north
See live ORD→ROI fares Phone-only fares on this route — call free
Flight time details
8,354 miles nonstop takes roughly 16h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from ROI?
The flight distance from Chicago (ORD) to Roi Et (ROI) is 8,354 miles (13,445 km, 7,260 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD 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.
Are there nonstop flights from ORD to ROI?
Nonstop service on ORD–ROI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 51m nonstop estimate.
What is the time difference between Chicago and Roi Et?
Roi Et is 13 hours ahead of Chicago.
What is the cheapest way to fly from ORD to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–ROI that never appear on search engines, with no booking fees.
Why are some ORD to ROI fares phone-only?
Consolidator contracts let us sell certain ORD–ROI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.