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IAD to RCA: distance & flight time
Washington (Washington Dulles International Airport) → Rapid City (Ellsworth Air Force Base)
1,368 mi
2,201 km · 1,189 nm
3h 26m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IAD→RCA fares Phone-only fares on this route — call free
Flight time details
1,368 miles nonstop takes roughly 3h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, 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 IAD
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 IAD from RCA?
The flight distance from Washington (IAD) to Rapid City (RCA) is 1,368 miles (2,201 km, 1,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to RCA?
A nonstop flight takes about 3h 26m 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 Washington and Rapid City?
Rapid City is 2 hours behind Washington.
What is the cheapest way to fly from IAD to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–RCA that never appear on search engines, with no booking fees.