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GRF to RAP: distance & flight time
Fort Lewis (Gray Army Air Field) → Rapid City (Rapid City Regional Airport)
965 mi
1,553 km · 838 nm
2h 34m
estimated nonstop flight time
+1h
time difference · heading east
See live GRF→RAP fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m 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
- GRF — Gray Army Air Field · Fort Lewis, United States
- RAP — Rapid City Regional Airport · Rapid City, 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 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
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
Frequently asked questions
How far is GRF from RAP?
The flight distance from Fort Lewis (GRF) to Rapid City (RAP) is 965 miles (1,553 km, 838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to RAP?
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 Fort Lewis and Rapid City?
Rapid City is 1 hour ahead of Fort Lewis.
What is the cheapest way to fly from GRF to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–RAP that never appear on search engines, with no booking fees.