Distance From Grier Airport to Owen Roberts International Airport

The distance from Grier Airport () to Owen Roberts International Airport (GCM) is 1312 miles or 2110 kilometers or 1139 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 Boerne ( United States ) to Georgetown ( Cayman Islands )?

A one-way nonstop (direct) flight between Boerne and Georgetown takes around 3 hours 0 minutes.

Estimated flight time from Grier Airport, Boerne, United States to Owen Roberts International Airport, Georgetown, Cayman Islands is 3 hours 0 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 • - GCM

Kilometers		2110 km
Statute Miles		1312 miles
Nautical Miles		1139 nm
Avg. Time of Flight		3 hours 0 minutes

Grier Airport to Owen Roberts International Airport Flight Route Map - to GCM Flight Path

Location of Grier Airport & Owen Roberts International Airport is given below.
Click the map to view Boerne to Georgetown nonstop flight path and travel direction.

Click to see flight route on Google Map between Boerne, United States and Georgetown, Cayman Islands. .

Nonstop flight route between Boerne, United States and Georgetown, Cayman Islands.

Time Difference Between the Airports • - GCM

Time difference between Boerne (United States) and Georgetown (Cayman Islands) is 1 Hours.
Georgetown time is 1 Hours ahead of Boerne.

Location	Local Time
Boerne (United States)	2026-03-20, 07:16:08 MDT
Georgetown (Cayman Islands)	2026-03-20, 08:16:08 EST

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

Grier Airport ( / 71TX) Boerne, United States

Destination

Owen Roberts International Airport (GCM / MWCR) Georgetown, Cayman Islands