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

The distance between Rockford (Chicago Rockford International Airport) and Trenton (Trenton–Mercer Airport) is 755 miles / 1215 kilometers / 656 nautical miles.

The driving distance from Rockford (RFD) to Trenton (TTN) is 864 miles / 1391 kilometers, and travel time by car is about 15 hours 59 minutes.

Chicago Rockford International Airport – Trenton–Mercer Airport

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755
Miles
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1215
Kilometers
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656
Nautical miles

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Distance from Rockford to Trenton

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

Vincenty's formula (applied above)
  • 754.818 miles
  • 1214.762 kilometers
  • 655.919 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
  • 752.966 miles
  • 1211.781 kilometers
  • 654.310 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 Rockford to Trenton?

The estimated flight time from Chicago Rockford International Airport to Trenton–Mercer Airport is 1 hour and 55 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Trenton–Mercer Airport (TTN)

On average, flying from Rockford to Trenton generates about 130 kg of CO2 per passenger, and 130 kilograms equals 287 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rockford to Trenton

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Trenton–Mercer Airport (TTN).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Trenton–Mercer Airport
City: Trenton, NJ
Country: United States Flag of United States
IATA Code: TTN
ICAO Code: KTTN
Coordinates: 40°16′36″N, 74°48′48″W