Need help booking?
Unpublished phone-only deals available
NJA to CPR: distance & flight time
Atsugi (Atsugi Naval Air Facility) → Casper (Casper-Natrona County International Airport)
5,617 mi
9,039 km · 4,881 nm
11h 29m
estimated nonstop flight time
-15h
time difference · heading northeast
See live NJA→CPR fares Phone-only fares on this route — call free
Flight time details
5,617 miles nonstop takes roughly 11h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
- 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 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 NJA from CPR?
The flight distance from Atsugi (NJA) to Casper (CPR) is 5,617 miles (9,039 km, 4,881 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NJA to CPR?
A nonstop flight takes about 11h 29m 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 Atsugi and Casper?
Casper is 15 hours behind Atsugi.
What is the cheapest way to fly from NJA to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NJA–CPR that never appear on search engines, with no booking fees.