How far is Quincy, IL from Antioch, IL?
The driving distance from Quincy, IL to Antioch, IL is about 319.9 miles (514.8 km), with a travel time of about 06h 22m by car.
- The straight-line flight distance is about 245.9 miles (395.8 km).
- For a round trip, plan for roughly 12h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 06h 22m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Henry County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Quincy and Antioch.
Turn-by-Turn Driving Directions
Step-by-step road directions between Quincy and Antioch.
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1
Start on the route
16 m · 2 sec
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2
Turn right onto Broadway Street
116 m · 36 sec · Broadway Street
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3
Continue on Broadway Street
121 m · 7 sec · Broadway Street
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4
Merge right onto North 4th Street
6 mi · 10 min · North 4th Street
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5
Turn right
156 m · 8 sec
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6
Merge slight left
3.2 mi · 4 min
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7
Turn left
2263 ft · 55 sec
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8
Merge slight left onto Chicago-Kansas City Expressway
53.7 mi · 1 hr 2 min · Chicago-Kansas City Expressway
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9
Take the exit slight right
1 km · 56 sec
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10
Turn right
3.4 mi · 7 min
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11
Turn left onto North Johnson Street
576 ft · 16 sec · North Johnson Street
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12
Turn slight right onto West Calhoun Street
848 ft · 30 sec · West Calhoun Street
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13
Turn left onto North Lafayette Street
1.6 mi · 3 min · North Lafayette Street
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14
Continue on East 1200th Street
1.2 mi · 1 min · East 1200th Street
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15
Continue on Chicago-Kansas City Expressway
3.4 mi · 4 min · Chicago-Kansas City Expressway
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16
Continue on South Monmouth Street
1.2 km · 2 min · South Monmouth Street
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17
Continue on Chicago-Kansas City Expressway
45.2 mi · 53 min · Chicago-Kansas City Expressway
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18
Keep slight right to continue on Chicago-Kansas City Expressway
31.9 mi · 35 min · Chicago-Kansas City Expressway
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19
Keep slight left to continue on Chicago-Kansas City Expressway
6.3 mi · 7 min · Chicago-Kansas City Expressway
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20
Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls
78.8 mi · 1 hr 25 min
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21
Take the exit slight right toward I 39 North, US 51 North: Rockford
2271 ft · 1 min
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22
Merge slight left
22.4 mi · 24 min
-
23
Merge slight left
2.2 mi · 3 min
-
24
Continue straight
1.7 mi · 2 min
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25
Merge slight right onto Jane Addams Memorial Tollway
7.3 mi · 8 min · Jane Addams Memorial Tollway
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26
Take the exit slight right toward IL 173: West Lane Road
1748 ft · 43 sec
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27
Turn right onto West Lane Road
1.3 mi · 2 min · West Lane Road
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28
Continue on State Route 173
5.6 mi · 8 min · State Route 173
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29
Continue on West Grove Street
12.4 mi · 18 min · West Grove Street
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30
Turn left onto South Division Street
2662 ft · 49 sec · South Division Street
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31
Turn right onto East Diggins Street
18.8 mi · 27 min · East Diggins Street
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32
Continue on Kenosha Road
3.7 mi · 5 min · Kenosha Road
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33
Continue on West IL Route 173
5.6 mi · 8 min · West IL Route 173
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34
Turn left onto Lake Street
2489 ft · 1 min · Lake Street
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35
At the end of the road, turn right onto Main Street
2 m · 1 sec · Main Street
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36
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Quincy and Antioch.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 88 East
Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls
78.8 mi · 01h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Cloudy leaving Quincy and Chance Rain Showers then Mostly Cloudy near Antioch.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Quincy to Antioch?
The road trip is about 319.9 miles (514.8 km) and usually takes 06h 22m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Cleveland is a useful midpoint, sitting about 159.8 miles from Quincy and 160.1 miles from Antioch.
How much longer is the road route than the straight-line distance?
The direct path is about 245.9 miles (395.8 km), while the road route adds roughly 74 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.57 one way or $85.15 round trip. Estimated CO2 is about 100.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Quincy and Chance Rain Showers then Mostly Cloudy near Antioch.
Stop Ideas Near Cleveland
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Cleveland.
Moline, Illinois
Rock Island, IL
Davenport, Iowa
Kewanee
Flight Path Map
This map shows the direct air route between Quincy and Antioch. Straight-line distance: 245.96 mi (395.84 km).
#1 Quincy
County seat of Adams County, Illinois, United States
| Population | 39,589 |
| Coordinates | 39.9356000, -91.4098700 |
| Altitude | 173 |
| Country | United States |
#2 Antioch
Town in the American state of Illinois
| Population | 14,174 |
| Coordinates | 42.4772400, -88.0956400 |
| Altitude | 239 |
| Country | United States |
End: Antioch (-88.09564, 42.47724)
Estimated Travel Time
Distance: 515 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 39m |
| 40 mph (64.37 km/h) | 07h 59m |
| 50 mph (80.47 km/h) | 06h 23m |
| 60 mph (96.56 km/h) | 05h 19m |
| 70 mph (112.65 km/h) | 04h 34m |
| 80 mph (129 km/h) | 03h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $42.57 | $85.15 |
| Mid-grade | $4.25 | $48.02 | $96.03 |
| Premium | $4.65 | $52.54 | $105.09 |
| Diesel | $5.30 | $59.88 | $119.76 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · May 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.