Need help booking?
Unpublished phone-only deals available
ROI to CYS: distance & flight time
Roi Et (Roi Et Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
8,077 mi
12,999 km · 7,019 nm
16h 18m
estimated nonstop flight time
-13h
time difference · heading northeast
See live ROI→CYS fares Phone-only fares on this route — call free
Flight time details
8,077 miles nonstop takes roughly 16h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Near CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Frequently asked questions
How far is ROI from CYS?
The flight distance from Roi Et (ROI) to Cheyenne (CYS) is 8,077 miles (12,999 km, 7,019 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to CYS?
A nonstop flight takes about 16h 18m 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 Roi Et and Cheyenne?
Cheyenne is 13 hours behind Roi Et.
What is the cheapest way to fly from ROI to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–CYS that never appear on search engines, with no booking fees.