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RAP to SUS: distance & flight time
Rapid City (Rapid City Regional Airport) → Null (Spirit of St Louis Airport)
742 mi
1,194 km · 645 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RAP→SUS fares Phone-only fares on this route — call free
Flight time details
742 miles nonstop takes roughly 2h 5m gate to gate, flying southeast. 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
- SUS — Spirit of St Louis Airport · Null, 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 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is RAP from SUS?
The flight distance from Rapid City (RAP) to Null (SUS) is 742 miles (1,194 km, 645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to SUS?
A nonstop flight takes about 2h 5m 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 Null?
Null is 1 hour ahead of Rapid City.
What is the cheapest way to fly from RAP to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–SUS that never appear on search engines, with no booking fees.