How far is Plainfield, IL from Quincy, IL?
The driving distance from Plainfield, IL to Quincy, IL is about 222.9 miles (358.8 km), with a travel time of about 03h 58m by car.
- The straight-line flight distance is about 183.7 miles (295.7 km).
- For a round trip, plan for roughly 07h 57m 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 03h 58m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Plainfield and Quincy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plainfield and Quincy.
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1
Start on North 1280th Street
19 m · 6 sec · North 1280th Street
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2
Turn right onto North Street
1912 ft · 54 sec · North Street
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3
Turn right onto North 1250th Street
4.7 mi · 7 min · North 1250th Street
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4
Continue on County Road 1700E
2.1 mi · 3 min · County Road 1700E
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5
Continue on South Haughton Highway
4 mi · 6 min · South Haughton Highway
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6
Continue on 1700E
1.3 mi · 2 min · 1700E
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7
Continue on North Haughton Highway
1945 ft · 33 sec · North Haughton Highway
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8
Continue on County Road 1775 E
1.3 km · 1 min · County Road 1775 E
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9
Continue on County Road 1825 E
2 mi · 3 min · County Road 1825 E
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10
Continue on Route 130
10 mi · 15 min · Route 130
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11
Continue on Illinois Route 130
1.2 km · 1 min · Illinois Route 130
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12
Continue on 18th Street
1.6 mi · 2 min · 18th Street
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13
Turn left onto Lincoln Avenue
2.5 mi · 4 min · Lincoln Avenue
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14
Continue on Illinois Route 16
5.3 mi · 7 min · Illinois Route 16
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15
Turn right onto Lerna Road
2702 ft · 57 sec · Lerna Road
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16
Turn left onto Dewitt Avenue East
5.8 mi · 10 min · Dewitt Avenue East
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17
Continue on Route 121
33.8 mi · 49 min · Route 121
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18
Turn left onto West Main Street
1.8 mi · 3 min · West Main Street
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19
Continue on East Elwin Road
4.2 mi · 6 min · East Elwin Road
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20
Turn right onto South Business Route 51
1 km · 1 min · South Business Route 51
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21
Take the ramp right toward US 51 North: Springfield, Bloomington
1989 ft · 48 sec
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22
Merge slight left
5.2 mi · 6 min
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23
Take the exit slight right toward I 72 West, US 36 West: Springfield
2268 ft · 1 min
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24
Merge slight left
30.5 mi · 33 min
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25
Take the exit slight right toward I 55 South, I 72 West: Saint Louis, Jacksonville
5.3 mi · 7 min
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26
Keep slight right to continue on I 72 West, US 36 West: Jacksonville
92.9 mi · 1 hr 40 min
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27
Keep slight left to continue on I 172 North: Quincy
1.3 km · 51 sec
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28
Continue on Chicago-Kansas City Expressway
2.2 mi · 2 min · Chicago-Kansas City Expressway
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29
Take the exit slight right toward IL 57: Marblehead, Quincy
2698 ft · 1 min
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30
Turn left
11.8 mi · 21 min
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31
Turn left
2248 ft · 43 sec
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32
Turn right
22 m · 2 sec
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33
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Plainfield 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.
I 72 West
Keep slight right to continue on I 72 West, US 36 West: Jacksonville
92.9 mi · 01h 40m
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.
Showers And Thunderstorms leaving Plainfield and Rain Showers near Quincy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plainfield to Quincy?
The road trip is about 222.9 miles (358.8 km) and usually takes 03h 58m 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?
Clear Lake is a useful midpoint, sitting about 116.3 miles from Plainfield and 106.6 miles from Quincy.
How much longer is the road route than the straight-line distance?
The direct path is about 183.7 miles (295.7 km), while the road route adds roughly 39.2 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 9:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.68 one way or $59.36 round trip. Estimated CO2 is about 69.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Plainfield and Rain Showers near Quincy.
Stop Ideas Near Clear Lake
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 Clear Lake.
Springfield station
Lincoln
Carlinville
Uptown Station
Flight Path Map
This map shows the direct air route between Plainfield and Quincy. Straight-line distance: 183.74 mi (295.7 km).
#1 Plainfield
Village in Illinois, United States
| Population | 44,542 |
| Coordinates | 39.1036500, -88.1353200 |
| Altitude | 171 |
| 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: 359 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 25m |
| 40 mph (64.37 km/h) | 05h 34m |
| 50 mph (80.47 km/h) | 04h 27m |
| 60 mph (96.56 km/h) | 03h 42m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $29.68 | $59.36 |
| Mid-grade | $4.25 | $33.47 | $66.94 |
| Premium | $4.65 | $36.63 | $73.25 |
| Diesel | $5.30 | $41.74 | $83.48 |
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.