Need help booking?
Unpublished phone-only deals available
RML to APC: distance & flight time
Colombo (Colombo Ratmalana Airport) → Napa (Napa County Airport)
9,014 mi
14,507 km · 7,833 nm
18h 9m
estimated nonstop flight time
-12.5h
time difference · heading northeast
See live RML→APC fares Phone-only fares on this route — call free
Flight time details
9,014 miles nonstop takes roughly 18h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- APC — Napa County Airport · Napa, 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 APC
- SFO · San Francisco International Airport41 mi away
- NOT · Marin County Airport - Gnoss Field16 mi away
- SUU · Travis Air Force Base20 mi away
- CCR · Buchanan Field20 mi away
Frequently asked questions
How far is RML from APC?
The flight distance from Colombo (RML) to Napa (APC) is 9,014 miles (14,507 km, 7,833 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to APC?
A nonstop flight takes about 18h 9m 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 Napa?
Napa is 12.5 hours behind Colombo.
What is the cheapest way to fly from RML to APC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–APC that never appear on search engines, with no booking fees.