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How far is Modesto, CA, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Modesto (Modesto City–County Airport) is 1711 miles / 2754 kilometers / 1487 nautical miles.

The driving distance from Rockford (RFD) to Modesto (MOD) is 2065 miles / 3323 kilometers, and travel time by car is about 35 hours 37 minutes.

Chicago Rockford International Airport – Modesto City–County Airport

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1711
Miles
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2754
Kilometers
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1487
Nautical miles

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Distance from Rockford to Modesto

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

Vincenty's formula (applied above)
  • 1711.329 miles
  • 2754.117 kilometers
  • 1487.104 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
  • 1707.292 miles
  • 2747.620 kilometers
  • 1483.596 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 Modesto?

The estimated flight time from Chicago Rockford International Airport to Modesto City–County Airport is 3 hours and 44 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Modesto City–County Airport (MOD)

On average, flying from Rockford to Modesto generates about 193 kg of CO2 per passenger, and 193 kilograms equals 427 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 Modesto

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Modesto City–County Airport (MOD).

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 Modesto City–County Airport
City: Modesto, CA
Country: United States Flag of United States
IATA Code: MOD
ICAO Code: KMOD
Coordinates: 37°37′32″N, 120°57′14″W