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CAT to RCA: distance & flight time
Cascais (Cascais Airport) → Rapid City (Ellsworth Air Force Base)
4,593 mi
7,392 km · 3,991 nm
9h 28m
estimated nonstop flight time
-7h
time difference · heading northwest
See live CAT→RCA fares Phone-only fares on this route — call free
Flight time details
4,593 miles nonstop takes roughly 9h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from RCA?
The flight distance from Cascais (CAT) to Rapid City (RCA) is 4,593 miles (7,392 km, 3,991 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to RCA?
A nonstop flight takes about 9h 28m 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 Cascais and Rapid City?
Rapid City is 7 hours behind Cascais.
What is the cheapest way to fly from CAT to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–RCA that never appear on search engines, with no booking fees.