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NGZ to HRI: distance & flight time
Alameda (Alameda Naval Air Station) → Mattala (Mattala Rajapaksa International Airport)
9,038 mi
14,546 km · 7,854 nm
18h 11m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live NGZ→HRI fares Phone-only fares on this route — call free
Flight time details
9,038 miles nonstop takes roughly 18h 11m 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
- NGZ — Alameda Naval Air Station · Alameda, United States
- HRI — Mattala Rajapaksa International Airport · Mattala, 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 NGZ
- SFO · San Francisco International Airport12 mi away
- OAK · Metropolitan Oakland International Airport7 mi away
- HWD · Hayward Executive Airport14 mi away
- SQL · San Carlos Airport20 mi away
Near HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Frequently asked questions
How far is NGZ from HRI?
The flight distance from Alameda (NGZ) to Mattala (HRI) is 9,038 miles (14,546 km, 7,854 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NGZ to HRI?
A nonstop flight takes about 18h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from NGZ to HRI?
Nonstop service on NGZ–HRI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 18h 11m nonstop estimate.
What is the time difference between Alameda and Mattala?
Mattala is 12.5 hours ahead of Alameda.
What is the cheapest way to fly from NGZ to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NGZ–HRI that never appear on search engines, with no booking fees.
Why are some NGZ to HRI fares phone-only?
Consolidator contracts let us sell certain NGZ–HRI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.