Distance From Merritt Island Airport to San Antonio International Airport, COI - SAT Distance

The distance from Merritt Island Airport (COI) to San Antonio International Airport (SAT) is 1078 miles or 1734 kilometers or 936 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.

---

How long does it take to travel from Merritt Island ( United States ) to San Antonio ( United States )?

A one-way nonstop (direct) flight between Merritt Island and San Antonio takes around 2 hours 28 minutes.

Estimated flight time from Merritt Island Airport, Merritt Island, United States to San Antonio International Airport, San Antonio, United States is 2 hours 28 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 • COI - SAT

Kilometers		1734 km
Statute Miles		1078 miles
Nautical Miles		936 nm
Avg. Time of Flight		2 hours 28 minutes

Merritt Island Airport to San Antonio International Airport Flight Route Map - COI to SAT Flight Path

Location of Merritt Island Airport & San Antonio International Airport is given below.
Click the map to view Merritt Island to San Antonio nonstop flight path and travel direction.

Click to see flight route on Google Map between Merritt Island, United States and San Antonio, United States. .

Nonstop flight route between Merritt Island, United States and San Antonio, United States.

Time Difference Between the Airports • COI - SAT

Time difference between Merritt Island (United States) and San Antonio (United States) is 2 Hours.
San Antonio time is 2 Hours behind Merritt Island.

Location	Local Time
Merritt Island (United States)	2025-12-16, 14:43:56 EST
San Antonio (United States)	2025-12-16, 12:43:56 MST

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

Merritt Island Airport (COI / KCOI) Merritt Island, United States

Destination

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