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RCA to YST: distance & flight time
Rapid City (Ellsworth Air Force Base) → St. Theresa Point (St. Theresa Point Airport)
766 mi
1,233 km · 666 nm
2h 8m
estimated nonstop flight time
+1h
time difference · heading northeast
See live RCA→YST fares Phone-only fares on this route — call free
Flight time details
766 miles nonstop takes roughly 2h 8m gate to gate, flying northeast. 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
- RCA — Ellsworth Air Force Base · Rapid City, United States
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
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 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
Near YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Frequently asked questions
How far is RCA from YST?
The flight distance from Rapid City (RCA) to St. Theresa Point (YST) is 766 miles (1,233 km, 666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCA to YST?
A nonstop flight takes about 2h 8m 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 Rapid City and St. Theresa Point?
St. Theresa Point is 1 hour ahead of Rapid City.
What is the cheapest way to fly from RCA to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCA–YST that never appear on search engines, with no booking fees.