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DEC to RAP: distance & flight time
Decatur (Decatur Airport) → Rapid City (Rapid City Regional Airport)
784 mi
1,262 km · 681 nm
2h 10m
estimated nonstop flight time
-1h
time difference · heading northwest
See live DEC→RAP fares Phone-only fares on this route — call free
Flight time details
784 miles nonstop takes roughly 2h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, United States
- RAP — Rapid City Regional Airport · 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 DEC
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
Frequently asked questions
How far is DEC from RAP?
The flight distance from Decatur (DEC) to Rapid City (RAP) is 784 miles (1,262 km, 681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to RAP?
A nonstop flight takes about 2h 10m 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 Decatur and Rapid City?
Rapid City is 1 hour behind Decatur.
What is the cheapest way to fly from DEC to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–RAP that never appear on search engines, with no booking fees.