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GRF to RCA: distance & flight time
Fort Lewis (Gray Army Air Field) → Rapid City (Ellsworth Air Force Base)
960 mi
1,545 km · 834 nm
2h 33m
estimated nonstop flight time
+1h
time difference · heading east
See live GRF→RCA fares Phone-only fares on this route — call free
Flight time details
960 miles nonstop takes roughly 2h 33m 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
- RCA — Ellsworth Air Force Base · 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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Frequently asked questions
How far is GRF from RCA?
The flight distance from Fort Lewis (GRF) to Rapid City (RCA) is 960 miles (1,545 km, 834 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to RCA?
A nonstop flight takes about 2h 33m 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 RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–RCA that never appear on search engines, with no booking fees.