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SIF to CPR: distance & flight time
Simara (Simara Airport) → Casper (Casper-Natrona County International Airport)
7,541 mi
12,136 km · 6,553 nm
15h 15m
estimated nonstop flight time
-11.7h
time difference · heading north
See live SIF→CPR fares Phone-only fares on this route — call free
Flight time details
7,541 miles nonstop takes roughly 15h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 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 SIF from CPR?
The flight distance from Simara (SIF) to Casper (CPR) is 7,541 miles (12,136 km, 6,553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to CPR?
A nonstop flight takes about 15h 15m 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 Simara and Casper?
Casper is 11.7 hours behind Simara.
What is the cheapest way to fly from SIF to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–CPR that never appear on search engines, with no booking fees.