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RML to DRT: distance & flight time
Colombo (Colombo Ratmalana Airport) → Del Rio (Del Rio International Airport)
9,935 mi
15,989 km · 8,634 nm
19h 57m
estimated nonstop flight time
-10.5h
time difference · heading north
See live RML→DRT fares Phone-only fares on this route — call free
Flight time details
9,935 miles nonstop takes roughly 19h 57m 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
- DRT — Del Rio International Airport · Del Rio, 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 DRT
- DLF · DLF Airport9 mi away
- ACN · Ciudad Acuña New International Airport11 mi away
- PDS · Piedras Negras International Airport57 mi away
- UVA · Garner Field72 mi away
Frequently asked questions
How far is RML from DRT?
The flight distance from Colombo (RML) to Del Rio (DRT) is 9,935 miles (15,989 km, 8,634 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to DRT?
A nonstop flight takes about 19h 57m 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 Del Rio?
Del Rio is 10.5 hours behind Colombo.
What is the cheapest way to fly from RML to DRT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–DRT that never appear on search engines, with no booking fees.