How far is Jacksonville, FL, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and Jacksonville (Jacksonville International Airport) is 42 miles / 68 kilometers / 37 nautical miles.

The driving distance from St Augustine (UST) to Jacksonville (JAX) is 47 miles / 76 kilometers, and travel time by car is about 1 hour 2 minutes.

Distance from St Augustine to Jacksonville

There are several ways to calculate the distance from St Augustine to Jacksonville. Here are two standard methods:

Vincenty's formula (applied above)

• 42.322 miles
• 68.111 kilometers
• 36.777 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

• 42.400 miles
• 68.236 kilometers
• 36.845 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 St Augustine to Jacksonville?

The estimated flight time from Northeast Florida Regional Airport to Jacksonville International Airport is 34 minutes.

What is the time difference between St Augustine and Jacksonville?

There is no time difference between St Augustine and Jacksonville.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and Jacksonville International Airport (JAX)

On average, flying from St Augustine to Jacksonville generates about 31 kg of CO2 per passenger, and 31 kilograms equals 69 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Augustine to Jacksonville

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Jacksonville International Airport (JAX).

Airport information

Origin	Northeast Florida Regional Airport
City:	St Augustine, FL
Country:	United States
IATA Code:	UST
ICAO Code:	KSGJ
Coordinates:	29°57′33″N, 81°20′23″W

Destination	Jacksonville International Airport
City:	Jacksonville, FL
Country:	United States
IATA Code:	JAX
ICAO Code:	KJAX
Coordinates:	30°29′38″N, 81°41′16″W