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RDU to CPR: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Casper (Casper-Natrona County International Airport)
1,547 mi
2,490 km · 1,345 nm
3h 30m
estimated nonstop flight time
-2h
time difference · heading northwest
See live RDU→CPR fares Phone-only fares on this route — call free
Flight time details
1,547 miles nonstop takes roughly 3h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- RDU — Raleigh Durham International Airport · Raleigh-durham, United States
- 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 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 RDU from CPR?
The flight distance from Raleigh-durham (RDU) to Casper (CPR) is 1,547 miles (2,490 km, 1,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to CPR?
A nonstop flight takes about 3h 30m 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 Raleigh-durham and Casper?
Casper is 2 hours behind Raleigh-durham.
What is the cheapest way to fly from RDU to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–CPR that never appear on search engines, with no booking fees.