How far is Antioch, IL from Quincy, IL?
Distance by Flight
Shortest distance between Antioch and Quincy is 245.97 miles (395.84 km).
Flight distance from Antioch, IL to Quincy, IL is 245.97 miles. Estimated flight time is 00 hours 38 minutes.
It takes 00 hours 34 minutes to travel from Antioch to Quincy with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Antioch, Illinois to Quincy, Illinois is: 320.04 miles (515.05 km) by car.
Driving from Antioch to Quincy will take approximately 05 hours 19 minutes.
#1 Antioch
Town in the American state of Illinois
| Population | 14174 |
|---|---|
| GPS Coordinates | 42°28'38"N 88°5'44"W |
| Latitude | 42.4772400 |
| Longitude | -88.0956400 |
| Altitude | 239 |
| 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 Antioch and Quincy
The distance between Antioch and Quincy is 515 km if you choose to drive by road. You can go 05 hours 43 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 Antioch and Quincy. The current time is 11:29:02.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 10 hours 39 minutes |
| 40 mph (64.37 km/h) | 08 hours 00 minutes |
| 50 mph (80.47 km/h) | 06 hours 24 minutes |
| 60 mph (96.56 km/h) | 05 hours 20 minutes |
| 70 mph (112.65 km/h) | 04 hours 34 minutes |
| 75 mph (120.7 km/h) | 04 hours 16 minutes |
| 80 mph (128.75 km/h) | 03 hours 59 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 42.75 liters (11.29 gallon) of gas to cover the route between Antioch and Quincy.
The estimated cost of gas to go from Antioch to Quincy is $40.73 (diesel $48.56).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $40.73 | $46.44 | $51.4 | $48.56 |
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 Antioch and Quincy (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
