How far is Romeoville, IL from Quincy, IL?
Distance by Flight
Shortest distance between Romeoville and Quincy is 210.11 miles (338.14 km).
Flight distance from Romeoville, IL to Quincy, IL is 210.11 miles. Estimated flight time is 00 hours 31 minutes.
It takes 00 hours 28 minutes to travel from Romeoville to Quincy with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Romeoville, Illinois to Quincy, Illinois is: 258.47 miles (415.97 km) by car.
Driving from Romeoville to Quincy will take approximately 04 hours 29 minutes.
#1 Romeoville
Town
| Population | 39770 |
|---|---|
| GPS Coordinates | 41°38'51"N 88°5'22"W |
| Latitude | 41.6475300 |
| Longitude | -88.0895100 |
| Altitude | 189 |
| Country | United States |
#2 Quincy
County seat of Adams County, Illinois, United States
| Population | 39589 |
|---|---|
| GPS Coordinates | 39°56'8"N 91°24'36"W |
| Latitude | 39.9356000 |
| Longitude | -91.4098700 |
| Altitude | 173 |
| Country | United States |
Ending point in Quincy: Broadway Street (-91.40987,39.935697)
Estimated Travel Time Between Romeoville and Quincy
The distance between Romeoville and Quincy is 416 km if you choose to drive by road. You can go 04 hours 37 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 Romeoville and Quincy. The current time is 06:46:50.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 08 hours 36 minutes |
| 40 mph (64.37 km/h) | 06 hours 27 minutes |
| 50 mph (80.47 km/h) | 05 hours 10 minutes |
| 60 mph (96.56 km/h) | 04 hours 18 minutes |
| 70 mph (112.65 km/h) | 03 hours 41 minutes |
| 75 mph (120.7 km/h) | 03 hours 26 minutes |
| 80 mph (128.75 km/h) | 03 hours 13 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 34.53 liters (9.12 gallon) of gas to cover the route between Romeoville and Quincy.
The estimated cost of gas to go from Romeoville to Quincy is $32.9 (diesel $39.22).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $32.9 | $37.5 | $41.51 | $39.22 |
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 April 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Romeoville and Quincy (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
