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RML to PHL: distance & flight time
Colombo (Colombo Ratmalana Airport) → Philadelphia (Philadelphia International Airport)
8,842 mi
14,229 km · 7,683 nm
17h 48m
estimated nonstop flight time
-9.5h
time difference · heading northwest
See live RML→PHL fares Phone-only fares on this route — call free
Flight time details
8,842 miles nonstop takes roughly 17h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- PHL — Philadelphia International Airport · Philadelphia, 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 PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is RML from PHL?
The flight distance from Colombo (RML) to Philadelphia (PHL) is 8,842 miles (14,229 km, 7,683 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to PHL?
A nonstop flight takes about 17h 48m 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 Philadelphia?
Philadelphia is 9.5 hours behind Colombo.
What is the cheapest way to fly from RML to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–PHL that never appear on search engines, with no booking fees.