Need help booking?
Unpublished phone-only deals available
RML to SPF: distance & flight time
Colombo (Colombo Ratmalana Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
8,885 mi
14,299 km · 7,721 nm
17h 53m
estimated nonstop flight time
-11.5h
time difference · heading north
See live RML→SPF fares Phone-only fares on this route — call free
Flight time details
8,885 miles nonstop takes roughly 17h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 mi away
Near SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is RML from SPF?
The flight distance from Colombo (RML) to Spearfish-South Dakota (SPF) is 8,885 miles (14,299 km, 7,721 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to SPF?
A nonstop flight takes about 17h 53m 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 Colombo and Spearfish-South Dakota?
Spearfish-South Dakota is 11.5 hours behind Colombo.
What is the cheapest way to fly from RML to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–SPF that never appear on search engines, with no booking fees.