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UNN to CPR: distance & flight time
Ranong (Ranong Airport) → Casper (Casper-Natrona County International Airport)
8,469 mi
13,629 km · 7,359 nm
17h 4m
estimated nonstop flight time
-13h
time difference · heading north
See live UNN→CPR fares Phone-only fares on this route — call free
Flight time details
8,469 miles nonstop takes roughly 17h 4m gate to gate, flying north. 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
- UNN — Ranong Airport · Ranong, 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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 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 UNN from CPR?
The flight distance from Ranong (UNN) to Casper (CPR) is 8,469 miles (13,629 km, 7,359 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to CPR?
A nonstop flight takes about 17h 4m 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 Ranong and Casper?
Casper is 13 hours behind Ranong.
What is the cheapest way to fly from UNN to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–CPR that never appear on search engines, with no booking fees.