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HIO to ADP: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Galoya (Ampara Airport)
8,479 mi
13,646 km · 7,368 nm
17h 6m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live HIO→ADP fares Phone-only fares on this route — call free
Flight time details
8,479 miles nonstop takes roughly 17h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- ADP — Ampara Airport · Galoya, Sri Lanka
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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
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
Frequently asked questions
How far is HIO from ADP?
The flight distance from Hillsboro (HIO) to Galoya (ADP) is 8,479 miles (13,646 km, 7,368 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to ADP?
A nonstop flight takes about 17h 6m 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 Hillsboro and Galoya?
Galoya is 12.5 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to ADP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–ADP that never appear on search engines, with no booking fees.