Distance From Granite Mountain Air Station to Luis Munoz Marin International Airport, GMT - SJU Distance

The distance from Granite Mountain Air Station (GMT) to Luis Munoz Marin International Airport (SJU) is 5213 miles or 8389 kilometers or 4527 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 Granite Mountain ( United States ) to San Juan ( Puerto Rico )?

A one-way nonstop (direct) flight between Granite Mountain and San Juan takes around 11 hours 59 minutes.

Estimated flight time from Granite Mountain Air Station, Granite Mountain, United States to Luis Munoz Marin International Airport, San Juan, Puerto Rico is 11 hours 59 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 • GMT - SJU

Kilometers		8389 km
Statute Miles		5213 miles
Nautical Miles		4527 nm
Avg. Time of Flight		11 hours 59 minutes

Granite Mountain Air Station to Luis Munoz Marin International Airport Flight Route Map - GMT to SJU Flight Path

Location of Granite Mountain Air Station & Luis Munoz Marin International Airport is given below.
Click the map to view Granite Mountain to San Juan nonstop flight path and travel direction.

Click to see flight route on Google Map between Granite Mountain, United States and San Juan, Puerto Rico. .

Nonstop flight route between Granite Mountain, United States and San Juan, Puerto Rico.

Time Difference Between the Airports • GMT - SJU

Time difference between Granite Mountain (United States) and San Juan (Puerto Rico) is 4 Hours.
San Juan time is 4 Hours ahead of Granite Mountain.

Location	Local Time
Granite Mountain (United States)	2026-03-21, 18:36:13 AKDT
San Juan (Puerto Rico)	2026-03-21, 22:36:13 AST

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

Granite Mountain Air Station (GMT / PAGZ) Granite Mountain, United States

Destination

Luis Munoz Marin International Airport (SJU / TJSJ) San Juan, Puerto Rico