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THR to CPR: distance & flight time
Teheran (Mehrabad International Airport) → Casper (Casper-Natrona County International Airport)
6,829 mi
10,990 km · 5,934 nm
13h 51m
estimated nonstop flight time
-9.5h
time difference · heading north
See live THR→CPR fares Phone-only fares on this route — call free
Flight time details
6,829 miles nonstop takes roughly 13h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 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 THR from CPR?
The flight distance from Teheran (THR) to Casper (CPR) is 6,829 miles (10,990 km, 5,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to CPR?
A nonstop flight takes about 13h 51m 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 Teheran and Casper?
Casper is 9.5 hours behind Teheran.
What is the cheapest way to fly from THR to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–CPR that never appear on search engines, with no booking fees.