How far is Johnston City from Rockford?

Distance by Flight

Shortest distance between Johnston City and Rockford is 307.63 miles (495.08 km).

Flight distance from Johnston City, IL to Rockford, IL is 307.63 miles. Estimated flight time is 00 hours 43 minutes.

It takes 00 hours 39 minutes to travel from Johnston City to Rockford with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Johnston City, Illinois to Rockford, Illinois is: 362.36 miles (583.16 km) by car.

Driving from Johnston City to Rockford will take approximately 05 hours 35 minutes.

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#1 Johnston City

City in Illinois, United States

Population 3389
GPS Coordinates 37°49'14"N 88°55'39"W
Latitude 37.8206100
Longitude -88.9275700
Altitude 130
Country United States
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#2 Rockford

County seat of Winnebago County, Illinois, United States

Population 144835
GPS Coordinates 42°16'16"N 89°5'38"W
Latitude 42.2711300
Longitude -89.0940000
Altitude 218
Country United States

Estimated Travel Time Between Johnston City and Rockford

The distance between Johnston City and Rockford is 583 km if you choose to drive by road. You can go 06 hours 28 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Johnston City and Rockford. The current time is 06:34:33.

Average Speed Travel Time
30 mph (48.3 km/h) 12 hours 04 minutes
40 mph (64.37 km/h) 09 hours 03 minutes
50 mph (80.47 km/h) 07 hours 14 minutes
60 mph (96.56 km/h) 06 hours 02 minutes
70 mph (112.65 km/h) 05 hours 10 minutes
75 mph (120.7 km/h) 04 hours 49 minutes
80 mph (128.75 km/h) 04 hours 31 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 48.4 liters (12.79 gallon) of gas to cover the route between Johnston City and Rockford.
The estimated cost of gas to go from Johnston City to Rockford is $43.22 (diesel $47.57).

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price per gallon of daily gas for calculations is $3.38 (Diesel $3.72) /gallon. Last changed prices on December 02, 2021.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Johnston City and Rockford (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from Bremen, IL to Johnston City 53.62 miles (86 km)

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Driving distance from Springfield, IL to Johnston City 183.44 miles (295 km)

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Driving distance from York, IL to Johnston City 164.09 miles (264 km)

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Driving distance from Aurora, IL to Johnston City 337.49 miles (543 km)

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Driving distance from Berwyn, IL to Johnston City 317.22 miles (511 km)

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Driving distance from Bloomington, IL to Johnston City 227.01 miles (365 km)

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Driving distance from Champaign, IL to Johnston City 180.92 miles (291 km)

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Driving distance from Chicago, IL to Johnston City 312 miles (502 km)

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Driving distance from Des Plaines, IL to Johnston City 329.37 miles (530 km)

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Driving distance from Elgin, IL to Johnston City 350 miles (563 km)

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Driving distance from Elk Grove, IL to Johnston City 330.89 miles (533 km)

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Driving distance from Elmhurst, IL to Johnston City 319.07 miles (513 km)

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