How far is Harrisburg, PA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Harrisburg (Harrisburg International Airport) is 642 miles / 1033 kilometers / 558 nautical miles.
The driving distance from Decatur (DEC) to Harrisburg (MDT) is 715 miles / 1151 kilometers, and travel time by car is about 13 hours 46 minutes.
Decatur Airport – Harrisburg International Airport
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Distance from Decatur to Harrisburg
There are several ways to calculate the distance from Decatur to Harrisburg. Here are two standard methods:
Vincenty's formula (applied above)- 642.012 miles
- 1033.218 kilometers
- 557.893 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- 640.410 miles
- 1030.640 kilometers
- 556.501 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 Decatur to Harrisburg?
The estimated flight time from Decatur Airport to Harrisburg International Airport is 1 hour and 42 minutes.
What is the time difference between Decatur and Harrisburg?
The time difference between Decatur and Harrisburg is 1 hour. Harrisburg is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Harrisburg International Airport (MDT)
On average, flying from Decatur to Harrisburg generates about 118 kg of CO2 per passenger, and 118 kilograms equals 260 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Harrisburg
See the map of the shortest flight path between Decatur Airport (DEC) and Harrisburg International Airport (MDT).
Airport information
Origin | 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 |
Destination | Harrisburg International Airport |
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City: | Harrisburg, PA |
Country: | United States ![]() |
IATA Code: | MDT |
ICAO Code: | KMDT |
Coordinates: | 40°11′36″N, 76°45′48″W |