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How far is Nantucket, MA, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Nantucket (Nantucket Memorial Airport) is 984 miles / 1584 kilometers / 855 nautical miles.

The driving distance from Rockford (RFD) to Nantucket (ACK) is 1153 miles / 1856 kilometers, and travel time by car is about 23 hours 59 minutes.

Chicago Rockford International Airport – Nantucket Memorial Airport

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984
Miles
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1584
Kilometers
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855
Nautical miles

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Distance from Rockford to Nantucket

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

Vincenty's formula (applied above)
  • 984.361 miles
  • 1584.175 kilometers
  • 855.386 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
  • 981.818 miles
  • 1580.083 kilometers
  • 853.177 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 Nantucket?

The estimated flight time from Chicago Rockford International Airport to Nantucket Memorial Airport is 2 hours and 21 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Nantucket Memorial Airport (ACK)

On average, flying from Rockford to Nantucket generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 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 Nantucket

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Nantucket Memorial Airport (ACK).

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 Nantucket Memorial Airport
City: Nantucket, MA
Country: United States Flag of United States
IATA Code: ACK
ICAO Code: KACK
Coordinates: 41°15′11″N, 70°3′36″W