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HRO to RML: distance & flight time
Harrison (Boone County Airport) → Colombo (Colombo Ratmalana Airport)
9,426 mi
15,170 km · 8,191 nm
18h 57m
estimated nonstop flight time
+10.5h
time difference · heading north
See live HRO→RML fares Phone-only fares on this route — call free
Flight time details
9,426 miles nonstop takes roughly 18h 57m 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
- HRO — Boone County Airport · Harrison, 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 HRO
- BKG · Branson Airport19 mi away
- FLP · Marion County Regional Airport32 mi away
- WMH · Ozark Regional Airport39 mi away
- FYV · Drake Field59 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 HRO from RML?
The flight distance from Harrison (HRO) to Colombo (RML) is 9,426 miles (15,170 km, 8,191 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRO to RML?
A nonstop flight takes about 18h 57m 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 Harrison and Colombo?
Colombo is 10.5 hours ahead of Harrison.
What is the cheapest way to fly from HRO to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRO–RML that never appear on search engines, with no booking fees.