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RST to RCA: distance & flight time
Rochester (Rochester International Airport) → Rapid City (Ellsworth Air Force Base)
527 mi
848 km · 458 nm
1h 37m
estimated nonstop flight time
-1h
time difference · heading west
See live RST→RCA fares Phone-only fares on this route — call free
Flight time details
527 miles nonstop takes roughly 1h 37m 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
- RST — Rochester International Airport · Rochester, 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 RST
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 RST from RCA?
The flight distance from Rochester (RST) to Rapid City (RCA) is 527 miles (848 km, 458 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RST to RCA?
A nonstop flight takes about 1h 37m 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 Rochester and Rapid City?
Rapid City is 1 hour behind Rochester.
What is the cheapest way to fly from RST to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RST–RCA that never appear on search engines, with no booking fees.