Air Miles Calculator

Distance between Boise, ID (BOI) and St Augustine, FL (UST)

Flight distance from Boise to St Augustine (Boise Airport – Northeast Florida Regional Airport) is 2130 miles / 3428 kilometers / 1851 nautical miles. Estimated flight time is 4 hours 31 minutes.

Driving distance from Boise (BOI) to St Augustine (UST) is 2544 miles / 4094 kilometers and travel time by car is about 42 hours 3 minutes.

Map of flight path and driving directions from Boise to St Augustine.

Shortest flight path between Boise Airport (BOI) and Northeast Florida Regional Airport (UST).

How far is St Augustine from Boise?

There are several ways to calculate distances between Boise and St Augustine. Here are two common methods:

Vincenty's formula (applied above)
  • 2129.824 miles
  • 3427.619 kilometers
  • 1850.766 nautical miles

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

Haversine formula
  • 2126.685 miles
  • 3422.568 kilometers
  • 1848.039 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).

Airport information


A Boise Airport
City: Boise, ID
Country: United States Flag of United States
IATA Code: BOI
ICAO Code: KBOI
Coordinates: 43°33′51″N, 116°13′22″W

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

Time difference and current local times

The time difference between Boise and St Augustine is 2 hours. St Augustine is 2 hours ahead of Boise.

Time Difference

Boise, ID

 MST

St Augustine, FL

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 232 kg (512 pounds).

Frequent Flyer Miles Calculator

Boise (BOI) → St Augustine (UST).

Distance:
2130
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2130

Round trip?