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CPR to GRB: distance & flight time
Casper (Casper-Natrona County International Airport) → Green Bay (Austin Straubel International Airport)
920 mi
1,481 km · 800 nm
2h 28m
estimated nonstop flight time
+1h
time difference · heading east
See live CPR→GRB fares Phone-only fares on this route — call free
Flight time details
920 miles nonstop takes roughly 2h 28m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- GRB — Austin Straubel International Airport · Green Bay, 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 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
Near GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Frequently asked questions
How far is CPR from GRB?
The flight distance from Casper (CPR) to Green Bay (GRB) is 920 miles (1,481 km, 800 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to GRB?
A nonstop flight takes about 2h 28m 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 Casper and Green Bay?
Green Bay is 1 hour ahead of Casper.
What is the cheapest way to fly from CPR to GRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–GRB that never appear on search engines, with no booking fees.