How far is Justice, IL from Quincy, IL?
The driving distance from Justice, IL to Quincy, IL is about 273.6 miles (440.3 km), with a travel time of about 04h 41m by car.
- The straight-line flight distance is about 224.6 miles (361.5 km).
- For a round trip, plan for roughly 09h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 41m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Unincorporated community in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Justice and Quincy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Justice and Quincy.
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1
Start on Tri-State Tollway
3.1 mi · 4 min · Tri-State Tollway
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2
Take the exit slight right toward I 55 South: Wolf Road, Saint Louis
137 m · 11 sec
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3
Keep slight right to continue on I 55 South: Saint Louis
1979 ft · 49 sec
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4
Merge slight left onto Adlai Stevenson Expressway
120.3 mi · 2 hr 15 min · Adlai Stevenson Expressway
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5
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
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6
Keep slight right to continue on I 72 West, US 36 West: Jacksonville
92.9 mi · 1 hr 40 min
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7
Keep slight left to continue on I 172 North: Quincy
1.3 km · 51 sec
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8
Continue on Chicago-Kansas City Expressway
2.2 mi · 2 min · Chicago-Kansas City Expressway
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9
Take the exit slight right toward IL 57: Marblehead, Quincy
2698 ft · 1 min
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10
Turn left
11.8 mi · 21 min
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11
Turn left
2248 ft · 43 sec
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12
Turn right
22 m · 2 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Justice and Quincy.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
120 mi · 02h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Justice and Sunny near Quincy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Justice to Quincy?
The road trip is about 273.6 miles (440.3 km) and usually takes 04h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Lawndale is a useful midpoint, sitting about 148.6 miles from Justice and 125 miles from Quincy.
How much longer is the road route than the straight-line distance?
The direct path is about 224.6 miles (361.5 km), while the road route adds roughly 49 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.43 one way or $72.86 round trip. Estimated CO2 is about 85.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Justice and Sunny near Quincy.
Stop Ideas Near Lawndale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lawndale.
Lincoln
Uptown Station
Springfield station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Justice and Quincy. Straight-line distance: 224.66 mi (361.55 km).
#1 Justice
Village in Cook County, Illinois
| Population | 12,456 |
| Coordinates | 41.7444800, -87.8378300 |
| Altitude | 188 |
| Country | United States |
#2 Quincy
County seat of Adams County, Illinois, United States
| Population | 39,589 |
| Coordinates | 39.9356000, -91.4098700 |
| Altitude | 173 |
| Country | United States |
End: Broadway Street (-91.40987, 39.935697)
Estimated Travel Time
Distance: 440 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 06m |
| 40 mph (64.37 km/h) | 06h 50m |
| 50 mph (80.47 km/h) | 05h 28m |
| 60 mph (96.56 km/h) | 04h 33m |
| 70 mph (112.65 km/h) | 03h 54m |
| 80 mph (129 km/h) | 03h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.43 | $72.86 |
| Mid-grade | $4.25 | $41.08 | $82.17 |
| Premium | $4.65 | $44.96 | $89.92 |
| Diesel | $5.30 | $51.24 | $102.47 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.