Need help booking?
Unpublished phone-only deals available
RML to XRH: distance & flight time
Colombo (Colombo Ratmalana Airport) → Richmond (RAAF Base Richmond)
5,401 mi
8,692 km · 4,694 nm
11h 3m
estimated nonstop flight time
+4.5h
time difference · heading southeast
See live RML→XRH fares Phone-only fares on this route — call free
Flight time details
5,401 miles nonstop takes roughly 11h 3m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- XRH — RAAF Base Richmond · Richmond, Australia
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 XRH
- SYD · Sydney Kingsford Smith International Airport33 mi away
- BWU · Sydney Bankstown Airport25 mi away
- CDU · Camden Airport31 mi away
- BEO · Lake Macquarie Airport62 mi away
Frequently asked questions
How far is RML from XRH?
The flight distance from Colombo (RML) to Richmond (XRH) is 5,401 miles (8,692 km, 4,694 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to XRH?
A nonstop flight takes about 11h 3m 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 Richmond?
Richmond is 4.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to XRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–XRH that never appear on search engines, with no booking fees.