How far is St. Charles, IL from Quincy, IL?
The driving distance from St. Charles, IL to Quincy, IL is about 276.9 miles (445.6 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 211.9 miles (341 km).
- For a round trip, plan for roughly 09h 03m 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 31m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between St. Charles and Quincy.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Charles and Quincy.
-
1
Start on South 5th Avenue
2350 ft · 56 sec · South 5th Avenue
-
2
Turn sharp right onto South Riverside Avenue
701 ft · 22 sec · South Riverside Avenue
-
3
Turn left onto Prairie Street
1.7 mi · 4 min · Prairie Street
-
4
Turn left onto South Randall Road
103 m · 14 sec · South Randall Road
-
5
Turn right onto Lincoln Highway
20.2 mi · 28 min · Lincoln Highway
-
6
Turn left onto Peace Road
1.4 mi · 3 min · Peace Road
-
7
Take the ramp left toward I 88 West Toll: Moline Rock Island
1570 ft · 38 sec
-
8
Merge slight left onto Ronald Reagan Memorial Tollway
49.7 mi · 53 min · Ronald Reagan Memorial Tollway
-
9
Continue on Ronald Reagan Memorial Highway
1.1 mi · 1 min · Ronald Reagan Memorial Highway
-
10
Continue on Ronald Reagan Memorial Highway
37.8 mi · 40 min · Ronald Reagan Memorial Highway
-
11
Continue on Chicago-Kansas City Expressway
5.4 mi · 6 min · Chicago-Kansas City Expressway
-
12
Take the exit slight right toward I 80: Peoria
7.1 mi · 8 min
-
13
Keep slight left to continue on Chicago-Kansas City Expressway
31.3 mi · 34 min · Chicago-Kansas City Expressway
-
14
Take the exit slight right toward US 34 West: Monmouth
49.6 mi · 59 min
-
15
Continue on East 1200th Street
1.2 mi · 1 min · East 1200th Street
-
16
Continue on North Lafayette Street
1.6 mi · 3 min · North Lafayette Street
-
17
Turn right onto West Calhoun Street
929 ft · 27 sec · West Calhoun Street
-
18
Continue on North Johnson Street
121 m · 11 sec · North Johnson Street
-
19
Turn right onto West Jackson Street
6.2 mi · 10 min · West Jackson Street
-
20
Continue on Macomb Street
2971 ft · 50 sec · Macomb Street
-
21
Continue on East North Street
1 km · 56 sec · East North Street
-
22
Continue on East Campbell Street
3.1 mi · 5 min · East Campbell Street
-
23
Turn right onto Chicago-Kansas City Expressway
46 mi · 53 min · Chicago-Kansas City Expressway
-
24
Take the exit slight right toward US 24: Mount Sterling, Keokuk
2465 ft · 1 min
-
25
Turn right
9.1 mi · 14 min
-
26
Turn left onto Vermont Street
141 m · 26 sec · Vermont Street
-
27
Turn left onto North 4th Street
104 m · 5 sec · North 4th Street
-
28
Turn right
22 m · 2 sec
-
29
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Charles 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.
Ronald Reagan Memorial Tollway
Merge slight left onto Ronald Reagan Memorial Tollway
49.7 mi · 00h 53m
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.
Sunny leaving St. Charles and Sunny near Quincy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Charles to Quincy?
The road trip is about 276.9 miles (445.6 km) and usually takes 04h 31m 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 137.7 miles from St. Charles and 139.2 miles from Quincy.
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 7:56 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 Sunny around St. Charles and Sunny near Quincy.
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 St. Charles and Quincy. Straight-line distance: 211.87 mi (340.97 km).
#1 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 |
#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: 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.