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BIS to RML: distance & flight time
Bismarck (Bismarck Municipal Airport) → Colombo (Colombo Ratmalana Airport)
8,734 mi
14,055 km · 7,589 nm
17h 35m
estimated nonstop flight time
+10.5h
time difference · heading north
See live BIS→RML fares Phone-only fares on this route — call free
Flight time details
8,734 miles nonstop takes roughly 17h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- BIS — Bismarck Municipal Airport · Bismarck, United States
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
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 BIS
- MBG · Mobridge Municipal Airport86 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport97 mi away
- JMS · Jamestown Regional Airport98 mi away
- MOT · Minot International Airport106 mi away
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
Frequently asked questions
How far is BIS from RML?
The flight distance from Bismarck (BIS) to Colombo (RML) is 8,734 miles (14,055 km, 7,589 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIS to RML?
A nonstop flight takes about 17h 35m 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 Bismarck and Colombo?
Colombo is 10.5 hours ahead of Bismarck.
What is the cheapest way to fly from BIS to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIS–RML that never appear on search engines, with no booking fees.