Distance From International Science Center Heliport to Shannon Airport

The distance from International Science Center Heliport () to Shannon Airport (SNN) is 5036 miles or 8105 kilometers or 4373 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Sunnyvale ( United States ) to Shannon ( Ireland )?

A one-way nonstop (direct) flight between Sunnyvale and Shannon takes around 11 hours 34 minutes.

Estimated flight time from International Science Center Heliport, Sunnyvale, United States to Shannon Airport, Shannon, Ireland is 11 hours 34 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SNN

Kilometers		8105 km
Statute Miles		5036 miles
Nautical Miles		4373 nm
Avg. Time of Flight		11 hours 34 minutes

International Science Center Heliport to Shannon Airport Flight Route Map - to SNN Flight Path

Location of International Science Center Heliport & Shannon Airport is given below.
Click the map to view Sunnyvale to Shannon nonstop flight path and travel direction.

Click to see flight route on Google Map between Sunnyvale, United States and Shannon, Ireland. .

Nonstop flight route between Sunnyvale, United States and Shannon, Ireland.

Time Difference Between the Airports • - SNN

Time difference between Sunnyvale (United States) and Shannon (Ireland) is 8 Hours.
Shannon time is 8 Hours ahead of Sunnyvale.

Location	Local Time
Sunnyvale (United States)	2026-04-29, 07:39:43 PDT
Shannon (Ireland)	2026-04-29, 15:39:43 IST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

International Science Center Heliport ( / ) Sunnyvale, United States

Destination

Shannon Airport (SNN / EINN) Shannon, Ireland