Need help booking?
Unpublished phone-only deals available
RSU to COS: distance & flight time
Yeosu (Yeosu Airport) → Colorado Springs (City of Colorado Springs Municipal Airport)
6,349 mi
10,217 km · 5,517 nm
12h 55m
estimated nonstop flight time
-15h
time difference · heading northeast
See live RSU→COS fares Phone-only fares on this route — call free
Flight time details
6,349 miles nonstop takes roughly 12h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- RSU — Yeosu Airport · Yeosu, South Korea
- COS — City of Colorado Springs Municipal Airport · Colorado Springs, 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 RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Near COS
- FCS · Butts AAF (Fort Carson) Air Field9 mi away
- DEN · Denver International Airport73 mi away
- PUB · Pueblo Memorial Airport37 mi away
- APA · Centennial Airport53 mi away
Frequently asked questions
How far is RSU from COS?
The flight distance from Yeosu (RSU) to Colorado Springs (COS) is 6,349 miles (10,217 km, 5,517 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RSU to COS?
A nonstop flight takes about 12h 55m 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 Yeosu and Colorado Springs?
Colorado Springs is 15 hours behind Yeosu.
What is the cheapest way to fly from RSU to COS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RSU–COS that never appear on search engines, with no booking fees.