How far is Knox, IL from Rockford, IL?
Distance by Flight
Shortest distance between Knox and Rockford is 110.13 miles (177.24 km).
Flight distance from Knox, IL to Rockford, IL is 110.13 miles. Estimated flight time is 00 hours 18 minutes.
It takes 00 hours 16 minutes to travel from Knox to Rockford with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Knox, Illinois to Rockford, Illinois is: 155.7 miles (250.58 km) by car.
Driving from Knox to Rockford will take approximately 02 hours 29 minutes.
#1 Knox
County seat of Knox County, Tennessee, United States; third-largest city in Tennessee
| Population | 2692 |
|---|---|
| GPS Coordinates | 40°56'3"N 90°15'17"W |
| Latitude | 40.9342000 |
| Longitude | -90.2548500 |
| Altitude | 201 |
| Country | United States |
#2 Rockford
The second most populous city in Illinois. It is located in the northwestern part of the state. Rockford is known for its many manufacturing companies, its many parks and green spaces, and its many attractions, such as the Rockford Art Museum and the Burpee Museum of Natural History.
| Population | 144835 |
|---|---|
| GPS Coordinates | 42°16'16"N 89°5'38"W |
| Latitude | 42.2711300 |
| Longitude | -89.0940000 |
| Altitude | 218 |
| Country | United States |
Ending point in Rockford: West State Street (-89.094046,42.271066)
Estimated Travel Time Between Knox and Rockford
The distance between Knox and Rockford is 251 km if you choose to drive by road. You can go 02 hours 47 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 Knox and Rockford. The current time is 00:24:15.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 05 hours 11 minutes |
| 40 mph (64.37 km/h) | 03 hours 53 minutes |
| 50 mph (80.47 km/h) | 03 hours 06 minutes |
| 60 mph (96.56 km/h) | 02 hours 35 minutes |
| 70 mph (112.65 km/h) | 02 hours 13 minutes |
| 75 mph (120.7 km/h) | 02 hours 04 minutes |
| 80 mph (128.75 km/h) | 01 hours 56 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 20.8 liters (5.49 gallon) of gas to cover the route between Knox and Rockford.
The estimated cost of gas to go from Knox to Rockford is $19.82 (diesel $23.63).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $19.82 | $22.59 | $25 | $23.63 |
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 (in Illinois ) per gallon of daily gas for calculations is $3.607 (Diesel $4.300) /gallon. Last changed prices on December 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Knox and Rockford (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
