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ADP to STL: distance & flight time
Galoya (Ampara Airport) → St. Louis (St Louis Lambert International Airport)
9,211 mi
14,824 km · 8,004 nm
18h 32m
estimated nonstop flight time
-10.5h
time difference · heading north
See live ADP→STL fares Phone-only fares on this route — call free
Flight time details
9,211 miles nonstop takes roughly 18h 32m 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
- ADP — Ampara Airport · Galoya, Sri Lanka
- STL — St Louis Lambert International Airport · St. Louis, 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 ADP
- BTC · Batticaloa Airport26 mi away
- HIM · Hingurakgoda Air Force Base66 mi away
- GIU · Sigiriya Air Force Base75 mi away
- WRZ · Weerawila Airport80 mi away
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is ADP from STL?
The flight distance from Galoya (ADP) to St. Louis (STL) is 9,211 miles (14,824 km, 8,004 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADP to STL?
A nonstop flight takes about 18h 32m 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 Galoya and St. Louis?
St. Louis is 10.5 hours behind Galoya.
What is the cheapest way to fly from ADP to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADP–STL that never appear on search engines, with no booking fees.