How far is Quincy, IL from Plainfield, IL?
The driving distance from Quincy, IL to Plainfield, IL is about 277.7 miles (446.9 km), with a travel time of about 05h 13m by car.
- The straight-line flight distance is about 204.4 miles (329 km).
- For a round trip, plan for roughly 10h 27m 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 05h 13m.
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.
City in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Quincy and Plainfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Quincy and Plainfield.
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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
923 ft · 25 sec · Broadway Street
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4
Turn left onto North 3rd Street
2348 ft · 53 sec · North 3rd Street
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5
Continue on Gardner Expressway
11.3 mi · 20 min · Gardner Expressway
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6
Continue on East 1083rd Lane
578 ft · 12 sec · East 1083rd Lane
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7
Take the ramp right
2526 ft · 1 min
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8
Merge slight left onto Chicago-Kansas City Expressway
2.8 mi · 3 min · Chicago-Kansas City Expressway
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9
Merge slight right
106.9 mi · 1 hr 55 min
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10
Continue straight
20.5 mi · 22 min
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11
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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12
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
101.1 mi · 1 hr 49 min
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13
Take the exit slight right toward US 30: Joliet, Aurora
1777 ft · 40 sec
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14
Keep slight left
41 m · 5 sec
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15
Turn left onto Joliet Road
2.5 mi · 5 min · Joliet Road
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16
Turn slight right onto North Division Street
1.5 mi · 3 min · North Division Street
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17
Turn left onto West Hazelcrest Drive
107 m · 15 sec · West Hazelcrest Drive
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18
Arrive at your destination
0 m · 1 sec · West Hazelcrest Drive
Car Route Details
A richer read on the saved driving route between Quincy and Plainfield.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Chicago-Kansas City Expressway
Merge slight right
107 mi · 01h 55m
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.
Partly Sunny leaving Quincy and Showers And Thunderstorms Likely near Plainfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Quincy to Plainfield?
The road trip is about 277.7 miles (446.9 km) and usually takes 05h 13m 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?
Lincoln is a useful midpoint, sitting about 138.8 miles from Quincy and 138.9 miles from Plainfield.
How much longer is the road route than the straight-line distance?
The direct path is about 204.4 miles (329 km), while the road route adds roughly 73.3 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 6:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.96 one way or $73.91 round trip. Estimated CO2 is about 87.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Quincy and Showers And Thunderstorms Likely near Plainfield.
Stop Ideas Near Lincoln
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 Lincoln.
Lincoln
Springfield station
Uptown Station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Quincy and Plainfield. Straight-line distance: 204.4 mi (328.95 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 Plainfield
Plainfield is a place in Illinois, United States.
| Population | 0 |
| Coordinates | 41.6269700, -88.2039500 |
| Altitude | 188 |
| Country | United States |
End: Plainfield (-88.20395, 41.62697)
Estimated Travel Time
Distance: 447 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 15m |
| 40 mph (64.37 km/h) | 06h 56m |
| 50 mph (80.47 km/h) | 05h 33m |
| 60 mph (96.56 km/h) | 04h 37m |
| 70 mph (112.65 km/h) | 03h 58m |
| 80 mph (129 km/h) | 03h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.96 | $73.91 |
| Mid-grade | $4.25 | $41.68 | $83.36 |
| Premium | $4.65 | $45.61 | $91.22 |
| Diesel | $5.30 | $51.98 | $103.96 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.