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CMI to RCA: distance & flight time
Champaign (University of Illinois Willard Airport) → Rapid City (Ellsworth Air Force Base)
810 mi
1,303 km · 704 nm
2h 14m
estimated nonstop flight time
-1h
time difference · heading northwest
See live CMI→RCA fares Phone-only fares on this route — call free
Flight time details
810 miles nonstop takes roughly 2h 14m 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
- CMI — University of Illinois Willard Airport · Champaign, United States
- 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 CMI
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 CMI from RCA?
The flight distance from Champaign (CMI) to Rapid City (RCA) is 810 miles (1,303 km, 704 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to RCA?
A nonstop flight takes about 2h 14m 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 Champaign and Rapid City?
Rapid City is 1 hour behind Champaign.
What is the cheapest way to fly from CMI to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–RCA that never appear on search engines, with no booking fees.