Need help booking?
Unpublished phone-only deals available
RML to PHD: distance & flight time
Colombo (Colombo Ratmalana Airport) → New Philadelpha (Harry Clever Field)
8,960 mi
14,419 km · 7,786 nm
18h 2m
estimated nonstop flight time
-9.5h
time difference · heading north
See live RML→PHD fares Phone-only fares on this route — call free
Flight time details
8,960 miles nonstop takes roughly 18h 2m gate to gate, flying north. 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
- PHD — Harry Clever Field · New Philadelpha, 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 PHD
- CAK · Akron Canton Regional Airport31 mi away
- AKC · Akron Fulton International Airport39 mi away
- ZZV · Zanesville Municipal Airport44 mi away
- HLG · Wheeling Ohio County Airport46 mi away
Frequently asked questions
How far is RML from PHD?
The flight distance from Colombo (RML) to New Philadelpha (PHD) is 8,960 miles (14,419 km, 7,786 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to PHD?
A nonstop flight takes about 18h 2m 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 New Philadelpha?
New Philadelpha is 9.5 hours behind Colombo.
What is the cheapest way to fly from RML to PHD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–PHD that never appear on search engines, with no booking fees.