How far is Round Lake, IL from Quincy, IL?
Distance by Flight
Shortest distance between Round Lake and Quincy is 240.13 miles (386.46 km).
Flight distance from Round Lake, IL to Quincy, IL is 240.13 miles. Estimated flight time is 00 hours 38 minutes.
It takes 00 hours 35 minutes to travel from Round Lake to Quincy with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Round Lake, Illinois to Quincy, Illinois is: 322.3 miles (518.69 km) by car.
Driving from Round Lake to Quincy will take approximately 05 hours 23 minutes.
#1 Round Lake
City in Illinois, United States of America
| Population | 17982 |
|---|---|
| GPS Coordinates | 42°21'12"N 88°5'36"W |
| Latitude | 42.3533600 |
| Longitude | -88.0934100 |
| Altitude | 243 |
| 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 Round Lake and Quincy
The distance between Round Lake and Quincy is 519 km if you choose to drive by road. You can go 05 hours 45 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 Round Lake and Quincy. The current time is 07:02:24.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 10 hours 44 minutes |
| 40 mph (64.37 km/h) | 08 hours 03 minutes |
| 50 mph (80.47 km/h) | 06 hours 26 minutes |
| 60 mph (96.56 km/h) | 05 hours 22 minutes |
| 70 mph (112.65 km/h) | 04 hours 36 minutes |
| 75 mph (120.7 km/h) | 04 hours 17 minutes |
| 80 mph (128.75 km/h) | 04 hours 01 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 43.05 liters (11.37 gallon) of gas to cover the route between Round Lake and Quincy.
The estimated cost of gas to go from Round Lake to Quincy is $41.02 (diesel $48.9).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $41.02 | $46.77 | $51.76 | $48.9 |
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 May 01, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Round Lake and Quincy (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
