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

The distance between Rockford (Chicago Rockford International Airport) and Monterey (Monterey Regional Airport) is 1783 miles / 2870 kilometers / 1550 nautical miles.

The driving distance from Rockford (RFD) to Monterey (MRY) is 2175 miles / 3501 kilometers, and travel time by car is about 37 hours 44 minutes.

Chicago Rockford International Airport – Monterey Regional Airport

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1783
Miles
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2870
Kilometers
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1550
Nautical miles

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Distance from Rockford to Monterey

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

Vincenty's formula (applied above)
  • 1783.424 miles
  • 2870.142 kilometers
  • 1549.753 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
  • 1779.369 miles
  • 2863.616 kilometers
  • 1546.229 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 Monterey?

The estimated flight time from Chicago Rockford International Airport to Monterey Regional Airport is 3 hours and 52 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Monterey Regional Airport (MRY)

On average, flying from Rockford to Monterey generates about 199 kg of CO2 per passenger, and 199 kilograms equals 438 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 Monterey

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Monterey Regional Airport (MRY).

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 Monterey Regional Airport
City: Monterey, CA
Country: United States Flag of United States
IATA Code: MRY
ICAO Code: KMRY
Coordinates: 36°35′13″N, 121°50′34″W