Distance From Castlerock Airstrip to San Antonio International Airport

The distance from Castlerock Airstrip () to San Antonio International Airport (SAT) is 4633 miles or 7455 kilometers or 4023 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 Castlerock (Ulster) ( United Kingdom ) to San Antonio ( United States )?

A one-way nonstop (direct) flight between Castlerock (Ulster) and San Antonio takes around 10 hours 39 minutes.

Estimated flight time from Castlerock Airstrip, Castlerock (Ulster), United Kingdom to San Antonio International Airport, San Antonio, United States is 10 hours 39 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 • - SAT

Kilometers		7455 km
Statute Miles		4633 miles
Nautical Miles		4023 nm
Avg. Time of Flight		10 hours 39 minutes

Castlerock Airstrip to San Antonio International Airport Flight Route Map - to SAT Flight Path

Location of Castlerock Airstrip & San Antonio International Airport is given below.
Click the map to view Castlerock (Ulster) to San Antonio nonstop flight path and travel direction.

Click to see flight route on Google Map between Castlerock (Ulster), United Kingdom and San Antonio, United States. .

Nonstop flight route between Castlerock (Ulster), United Kingdom and San Antonio, United States.

Time Difference Between the Airports • - SAT

Time difference between Castlerock (Ulster) (United Kingdom) and San Antonio (United States) is 6 Hours.
San Antonio time is 6 Hours behind Castlerock (Ulster).

Location	Local Time
Castlerock (Ulster) (United Kingdom)	2026-03-19, 06:54:07 GMT
San Antonio (United States)	2026-03-19, 00:54:07 MDT

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

Castlerock Airstrip ( / ) Castlerock (Ulster), United Kingdom

Destination

San Antonio International Airport (SAT / KSAT) San Antonio, United States