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How far is Decatur, IL, from San Jose, CA?

The distance between San Jose (San Jose International Airport) and Decatur (Decatur Airport) is 1788 miles / 2877 kilometers / 1553 nautical miles.

The driving distance from San Jose (SJC) to Decatur (DEC) is 2113 miles / 3401 kilometers, and travel time by car is about 36 hours 53 minutes.

San Jose International Airport – Decatur Airport

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1788
Miles
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2877
Kilometers
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1553
Nautical miles

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Distance from San Jose to Decatur

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

Vincenty's formula (applied above)
  • 1787.609 miles
  • 2876.878 kilometers
  • 1553.390 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
  • 1783.352 miles
  • 2870.027 kilometers
  • 1549.690 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 San Jose to Decatur?

The estimated flight time from San Jose International Airport to Decatur Airport is 3 hours and 53 minutes.

Flight carbon footprint between San Jose International Airport (SJC) and Decatur Airport (DEC)

On average, flying from San Jose to Decatur generates about 199 kg of CO2 per passenger, and 199 kilograms equals 439 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from San Jose to Decatur

See the map of the shortest flight path between San Jose International Airport (SJC) and Decatur Airport (DEC).

Airport information

Origin San Jose International Airport
City: San Jose, CA
Country: United States Flag of United States
IATA Code: SJC
ICAO Code: KSJC
Coordinates: 37°21′45″N, 121°55′44″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W