How far is Decatur, IL, from San Diego, CA?
The distance between San Diego (San Diego International Airport) and Decatur (Decatur Airport) is 1647 miles / 2651 kilometers / 1431 nautical miles.
The driving distance from San Diego (SAN) to Decatur (DEC) is 1985 miles / 3194 kilometers, and travel time by car is about 35 hours 5 minutes.
San Diego International Airport – Decatur Airport
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Distance from San Diego to Decatur
There are several ways to calculate the distance from San Diego to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 1647.216 miles
- 2650.937 kilometers
- 1431.392 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- 1644.085 miles
- 2645.898 kilometers
- 1428.671 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 Diego to Decatur?
The estimated flight time from San Diego International Airport to Decatur Airport is 3 hours and 37 minutes.
What is the time difference between San Diego and Decatur?
The time difference between San Diego and Decatur is 2 hours. Decatur is 2 hours ahead of San Diego.
Flight carbon footprint between San Diego International Airport (SAN) and Decatur Airport (DEC)
On average, flying from San Diego to Decatur generates about 189 kg of CO2 per passenger, and 189 kilograms equals 417 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 Diego to Decatur
See the map of the shortest flight path between San Diego International Airport (SAN) and Decatur Airport (DEC).
Airport information
| Origin | San Diego International Airport |
|---|---|
| City: | San Diego, CA |
| Country: | United States  |
| IATA Code: | SAN |
| ICAO Code: | KSAN |
| Coordinates: | 32°44′0″N, 117°11′24″W |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |