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RML to SAT: distance & flight time
Colombo (Colombo Ratmalana Airport) → San Antonio (San Antonio International Airport)
9,923 mi
15,969 km · 8,622 nm
19h 55m
estimated nonstop flight time
-10.5h
time difference · heading north
See live RML→SAT fares Phone-only fares on this route — call free
Flight time details
9,923 miles nonstop takes roughly 19h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- SAT — San Antonio International Airport · San Antonio, 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 SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is RML from SAT?
The flight distance from Colombo (RML) to San Antonio (SAT) is 9,923 miles (15,969 km, 8,622 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to SAT?
A nonstop flight takes about 19h 55m 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 San Antonio?
San Antonio is 10.5 hours behind Colombo.
What is the cheapest way to fly from RML to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–SAT that never appear on search engines, with no booking fees.