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RAP to GRF: distance & flight time
Rapid City (Rapid City Regional Airport) → Fort Lewis (Gray Army Air Field)
965 mi
1,553 km · 838 nm
2h 34m
estimated nonstop flight time
-1h
time difference · heading west
See live RAP→GRF fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- RAP — Rapid City Regional Airport · Rapid City, United States
- GRF — Gray Army Air Field · Fort Lewis, 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 RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is RAP from GRF?
The flight distance from Rapid City (RAP) to Fort Lewis (GRF) is 965 miles (1,553 km, 838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to GRF?
A nonstop flight takes about 2h 34m 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 Rapid City and Fort Lewis?
Fort Lewis is 1 hour behind Rapid City.
What is the cheapest way to fly from RAP to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–GRF that never appear on search engines, with no booking fees.