Need help booking?
Unpublished phone-only deals available
CAT to RML: distance & flight time
Cascais (Cascais Airport) → Colombo (Colombo Ratmalana Airport)
5,883 mi
9,468 km · 5,112 nm
12h
estimated nonstop flight time
+4.5h
time difference · heading east
See live CAT→RML fares Phone-only fares on this route — call free
Flight time details
5,883 miles nonstop takes roughly 12h gate to gate, flying east. 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
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from RML?
The flight distance from Cascais (CAT) to Colombo (RML) is 5,883 miles (9,468 km, 5,112 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to RML?
A nonstop flight takes about 12h 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 Cascais and Colombo?
Colombo is 4.5 hours ahead of Cascais.
What is the cheapest way to fly from CAT to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–RML that never appear on search engines, with no booking fees.