How far is Quincy, IL from St. Charles, IL?
The driving distance from Quincy, IL to St. Charles, IL is about 276.9 miles (445.6 km), with a travel time of about 04h 28m by car.
- The straight-line flight distance is about 211.9 miles (341 km).
- For a round trip, plan for roughly 08h 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 04h 28m.
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.
Village in Illinois, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Quincy and St. Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Quincy and St. Charles.
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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
94.2 mi · 1 hr 41 min
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21
Take the exit slight right toward DeKalb, Sycamore
1739 ft · 49 sec
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22
Keep slight right
50 m · 6 sec
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23
Turn straight onto Peace Road
1.6 mi · 3 min · Peace Road
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24
Turn right onto East Lincoln Highway
20.2 mi · 28 min · East Lincoln Highway
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25
Turn left onto South Randall Road
783 ft · 30 sec · South Randall Road
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26
Turn right onto Prairie Street
1.4 mi · 4 min · Prairie Street
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27
Turn left onto South 2nd Street
1684 ft · 34 sec · South 2nd Street
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28
Turn right onto West Main Street
1896 ft · 1 min · West Main Street
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29
Turn right onto South 5th Avenue
25 m · 2 sec · South 5th Avenue
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30
Arrive at your destination
0 m · 1 sec · South 5th Avenue
Car Route Details
A richer read on the saved driving route between Quincy and St. Charles.
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 88 East
Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls
94.2 mi · 01h 41m
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 then Chance Showers And Thunderstorms leaving Quincy and Mostly Sunny near St. Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Quincy to St. Charles?
The road trip is about 276.9 miles (445.6 km) and usually takes 04h 28m 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?
Andover is a useful midpoint, sitting about 138.4 miles from Quincy and 138.4 miles from St. Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 211.9 miles (341 km), while the road route adds roughly 65 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 8:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.84 one way or $73.69 round trip. Estimated CO2 is about 86.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Quincy and Mostly Sunny near St. Charles.
Stop Ideas Near Andover
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 Andover.
Moline, Illinois
Kewanee
Rock Island, IL
Davenport, Iowa
Flight Path Map
This map shows the direct air route between Quincy and St. Charles. Straight-line distance: 211.87 mi (340.97 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 St. Charles
Chicago suburb in Kane and DuPage counties of Illinois, United States
| Population | 32,974 |
| Coordinates | 41.9141900, -88.3086900 |
| Altitude | 223 |
| Country | United States |
End: South 5th Avenue (-88.308657, 41.914194)
Estimated Travel Time
Distance: 446 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 13m |
| 40 mph (64.37 km/h) | 06h 55m |
| 50 mph (80.47 km/h) | 05h 32m |
| 60 mph (96.56 km/h) | 04h 36m |
| 70 mph (112.65 km/h) | 03h 57m |
| 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 | $36.84 | $73.69 |
| Mid-grade | $4.25 | $41.55 | $83.10 |
| Premium | $4.65 | $45.47 | $90.94 |
| Diesel | $5.30 | $51.82 | $103.64 |
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 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.