How far is Decatur, IL, from Charleston, SC?
The distance between Charleston (Charleston International Airport) and Decatur (Decatur Airport) is 686 miles / 1103 kilometers / 596 nautical miles.
The driving distance from Charleston (CHS) to Decatur (DEC) is 872 miles / 1404 kilometers, and travel time by car is about 16 hours 36 minutes.
Charleston International Airport – Decatur Airport
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Distance from Charleston to Decatur
There are several ways to calculate the distance from Charleston to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 685.542 miles
- 1103.273 kilometers
- 595.720 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- 685.425 miles
- 1103.085 kilometers
- 595.618 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 Charleston to Decatur?
The estimated flight time from Charleston International Airport to Decatur Airport is 1 hour and 47 minutes.
What is the time difference between Charleston and Decatur?
The time difference between Charleston and Decatur is 1 hour. Decatur is 1 hour behind Charleston.
Flight carbon footprint between Charleston International Airport (CHS) and Decatur Airport (DEC)
On average, flying from Charleston to Decatur generates about 123 kg of CO2 per passenger, and 123 kilograms equals 271 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Charleston to Decatur
See the map of the shortest flight path between Charleston International Airport (CHS) and Decatur Airport (DEC).
Airport information
Origin | Charleston International Airport |
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City: | Charleston, SC |
Country: | United States ![]() |
IATA Code: | CHS |
ICAO Code: | KCHS |
Coordinates: | 32°53′54″N, 80°2′25″W |
Destination | Decatur Airport |
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City: | Decatur, IL |
Country: | United States ![]() |
IATA Code: | DEC |
ICAO Code: | KDEC |
Coordinates: | 39°50′4″N, 88°51′56″W |