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ROI to CPR: distance & flight time
Roi Et (Roi Et Airport) → Casper (Casper-Natrona County International Airport)
7,930 mi
12,762 km · 6,891 nm
16h 1m
estimated nonstop flight time
-13h
time difference · heading northeast
See live ROI→CPR fares Phone-only fares on this route — call free
Flight time details
7,930 miles nonstop takes roughly 16h 1m 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
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is ROI from CPR?
The flight distance from Roi Et (ROI) to Casper (CPR) is 7,930 miles (12,762 km, 6,891 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to CPR?
A nonstop flight takes about 16h 1m 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 Casper?
Casper is 13 hours behind Roi Et.
What is the cheapest way to fly from ROI to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–CPR that never appear on search engines, with no booking fees.