How far is San Juan from Castries?

The distance between Castries (George F. L. Charles Airport) and San Juan (San Juan Luis Muñoz Marín International Airport) is 451 miles / 725 kilometers / 392 nautical miles.

Distance from Castries to San Juan

There are several ways to calculate the distance from Castries to San Juan. Here are two standard methods:

Vincenty's formula (applied above)

• 450.540 miles
• 725.074 kilometers
• 391.508 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 451.191 miles
• 726.122 kilometers
• 392.075 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Castries to San Juan?

The estimated flight time from George F. L. Charles Airport to San Juan Luis Muñoz Marín International Airport is 1 hour and 21 minutes.

What is the time difference between Castries and San Juan?

There is no time difference between Castries and San Juan.

Flight carbon footprint between George F. L. Charles Airport (SLU) and San Juan Luis Muñoz Marín International Airport (SJU)

On average, flying from Castries to San Juan generates about 91 kg of CO2 per passenger, and 91 kilograms equals 201 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to San Juan

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and San Juan Luis Muñoz Marín International Airport (SJU).

Airport information

Origin	George F. L. Charles Airport
City:	Castries
Country:	Saint Lucia
IATA Code:	SLU
ICAO Code:	TLPC
Coordinates:	14°1′12″N, 60°59′34″W

Destination	San Juan Luis Muñoz Marín International Airport
City:	San Juan
Country:	Puerto Rico
IATA Code:	SJU
ICAO Code:	TJSJ
Coordinates:	18°26′21″N, 66°0′6″W