How far is Campton, IL from Decatur, IL?
The driving distance from Campton, IL to Decatur, IL is about 162.2 miles (261 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 139.7 miles (224.9 km).
- For a round trip, plan for roughly 06h 11m 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 05m.
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.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Campton and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Campton and Decatur.
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1
Start on Welge Drive
535 ft · 27 sec · Welge Drive
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2
Turn left onto State Street
1.4 mi · 2 min · State Street
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3
Turn right onto East Holmes Street
2470 ft · 32 sec · East Holmes Street
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4
Continue on Lehmen Drive
7.8 mi · 9 min · Lehmen Drive
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5
Continue on South State Street
17.7 mi · 23 min · South State Street
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6
Continue straight
20.1 mi · 30 min
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7
Enter the roundabout and take exit 2 toward Illinois Street
54 m · 4 sec · North Illinois Street
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8
Exit the rotary onto North Illinois Street
9.8 mi · 15 min · North Illinois Street
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9
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
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10
Continue on Vandalia Street
2.8 mi · 5 min · Vandalia Street
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11
Take the ramp slight right toward I 55 North, I 70 East
2235 ft · 55 sec
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12
Merge slight left
3.8 mi · 4 min
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13
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
44 mi · 47 min
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14
Take the exit slight right toward IL 48, IL 127: Raymond, Taylorville, Hillsboro
1658 ft · 31 sec
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15
Keep slight right to continue on IL 48, IL 127: Raymond, Taylorville, Hillsboro
45 m · 3 sec
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16
Turn straight onto North 22nd Avenue
7.2 mi · 11 min · North 22nd Avenue
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17
Continue on Sarpy Street
12.2 mi · 21 min · Sarpy Street
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18
Continue on County Road 975 N
3056 ft · 52 sec · County Road 975 N
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19
Continue on Jaycee Drive
18.4 mi · 23 min · Jaycee Drive
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20
Continue on North Railroad Avenue
12.9 mi · 15 min · North Railroad Avenue
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21
Turn right onto West South Side Drive
1.3 km · 1 min · West South Side Drive
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22
Turn slight left
1.4 mi · 3 min
-
23
Turn left onto East Wood Street
155 m · 16 sec · East Wood Street
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24
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Campton and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
44 mi · 00h 47m
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 Campton and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Campton to Decatur?
The road trip is about 162.2 miles (261 km) and usually takes 03h 05m 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?
Williamson is a useful midpoint, sitting about 81.9 miles from Campton and 80.3 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 139.7 miles (224.9 km), while the road route adds roughly 22.5 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 10:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.57 one way or $43.14 round trip. Estimated CO2 is about 50.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Campton and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Stop Ideas Near Williamson
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 Williamson.
Alton
Carlinville
Gateway Transportation Center
Kirkwood
Flight Path Map
This map shows the direct air route between Campton and Decatur. Straight-line distance: 139.74 mi (224.89 km).
#1 Campton
Township in Kane County, Illinois
| Population | 11,063 |
| Coordinates | 37.9283800, -89.8020500 |
| Altitude | 166 |
| Country | United States |
#2 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
End: East Wood Street (-88.954801, 39.840341)
Estimated Travel Time
Distance: 261 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 24m |
| 40 mph (64.37 km/h) | 04h 03m |
| 50 mph (80.47 km/h) | 03h 14m |
| 60 mph (96.56 km/h) | 02h 42m |
| 70 mph (112.65 km/h) | 02h 18m |
| 80 mph (129 km/h) | 02h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.57 | $43.14 |
| Mid-grade | $4.25 | $24.33 | $48.65 |
| Premium | $4.65 | $26.62 | $53.24 |
| Diesel | $5.30 | $30.34 | $60.68 |
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.