Shortest distance between Rock Falls and Elgin is 74.54 miles (119.97 km).
Flight distance from Rock Falls, IL to Elgin, IL is 74.54 miles. Estimated flight time is 00 hours 12 minutes.
It takes 00 hours 11 minutes to travel from Rock Falls to Elgin with an airplane (average speed of 550 miles).
The driving distance from Rock Falls, Illinois to Elgin, Illinois is: 105.01 miles (169.01 km) by car.
Driving from Rock Falls to Elgin will take approximately 01 hours 39 minutes.
The distance between Rock Falls and Elgin is 169 km if you choose to drive by road. You can go 01 hours 52 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 Rock Falls and Elgin. The current time is 23:52:42.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||03 hours 29 minutes|
|40 mph (64.37 km/h)||02 hours 37 minutes|
|50 mph (80.47 km/h)||02 hours 06 minutes|
|60 mph (96.56 km/h)||01 hours 45 minutes|
|70 mph (112.65 km/h)||01 hours 30 minutes|
|75 mph (120.7 km/h)||01 hours 24 minutes|
|80 mph (128.75 km/h)||01 hours 18 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 14.03 liters (3.71 gallon) of gas to cover the route between Rock Falls and Elgin.
The estimated cost of gas to go from Rock Falls to Elgin is $12.21 (diesel $13.55).
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 $3.295 (Diesel $3.657) /gallon. Last changed prices on January 17, 2022.
The place names are translated into coordinates to approximate the distance between Rock Falls and Elgin (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.