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RAP to XSI: distance & flight time
Rapid City (Rapid City Regional Airport) → South Indian Lake (South Indian Lake Airport)
899 mi
1,447 km · 781 nm
2h 25m
estimated nonstop flight time
+1h
time difference · heading north
See live RAP→XSI fares Phone-only fares on this route — call free
Flight time details
899 miles nonstop takes roughly 2h 25m gate to gate, flying north. 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
- RAP — Rapid City Regional Airport · Rapid City, United States
- XSI — South Indian Lake Airport · South Indian Lake, 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 RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Near XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 mi away
Frequently asked questions
How far is RAP from XSI?
The flight distance from Rapid City (RAP) to South Indian Lake (XSI) is 899 miles (1,447 km, 781 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to XSI?
A nonstop flight takes about 2h 25m 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 South Indian Lake?
South Indian Lake is 1 hour ahead of Rapid City.
What is the cheapest way to fly from RAP to XSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–XSI that never appear on search engines, with no booking fees.