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

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

The driving distance from Trenton (TTN) to Rockford (RFD) is 865 miles / 1392 kilometers, and travel time by car is about 16 hours 0 minutes.

Trenton–Mercer Airport – Chicago Rockford International 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 Trenton to Rockford

There are several ways to calculate the distance from Trenton to Rockford. 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 Trenton to Rockford?

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

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

On average, flying from Trenton to Rockford 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 Trenton to Rockford

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

Airport information

Origin 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
Destination 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