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STS to HRI: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Mattala (Mattala Rajapaksa International Airport)
8,982 mi
14,455 km · 7,805 nm
18h 5m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live STS→HRI fares Phone-only fares on this route — call free
Flight time details
8,982 miles nonstop takes roughly 18h 5m 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from HRI?
The flight distance from Santa Rosa (STS) to Mattala (HRI) is 8,982 miles (14,455 km, 7,805 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to HRI?
A nonstop flight takes about 18h 5m 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 Santa Rosa and Mattala?
Mattala is 12.5 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–HRI that never appear on search engines, with no booking fees.