How far is Decatur, IL, from Trenton, NJ?

The distance between Trenton (Trenton–Mercer Airport) and Decatur (Decatur Airport) is 745 miles / 1199 kilometers / 647 nautical miles.

The driving distance from Trenton (TTN) to Decatur (DEC) is 835 miles / 1344 kilometers, and travel time by car is about 15 hours 53 minutes.

Distance from Trenton to Decatur

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

Vincenty's formula (applied above)

• 744.865 miles
• 1198.745 kilometers
• 647.270 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

• 743.006 miles
• 1195.752 kilometers
• 645.654 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 Trenton to Decatur?

The estimated flight time from Trenton–Mercer Airport to Decatur Airport is 1 hour and 54 minutes.

What is the time difference between Trenton and Decatur?

The time difference between Trenton and Decatur is 1 hour. Decatur is 1 hour behind Trenton.

Flight carbon footprint between Trenton–Mercer Airport (TTN) and Decatur Airport (DEC)

On average, flying from Trenton to Decatur generates about 129 kg of CO2 per passenger, and 129 kilograms equals 285 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Trenton to Decatur

See the map of the shortest flight path between Trenton–Mercer Airport (TTN) and Decatur Airport (DEC).

Airport information

Origin	Trenton–Mercer Airport
City:	Trenton, NJ
Country:	United States
IATA Code:	TTN
ICAO Code:	KTTN
Coordinates:	40°16′36″N, 74°48′48″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