How far is Decatur, IL from Geneva, IL?
The driving distance from Decatur, IL to Geneva, IL is about 166.5 miles (268 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 145.5 miles (234.1 km).
- For a round trip, plan for roughly 06h 58m 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 29m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Township in Livingston County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Geneva.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Geneva.
-
1
Start on East Wood Street
155 m · 23 sec · East Wood Street
-
2
Turn left onto South Franklin Street
2129 ft · 46 sec · South Franklin Street
-
3
Continue on North Water Street
27.4 mi · 37 min · North Water Street
-
4
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
-
5
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
64.9 mi · 1 hr 10 min
-
6
Take the exit slight right toward IL 47: Morris, Dwight
1853 ft · 35 sec
-
7
Turn left
32 mi · 39 min
-
8
Turn right onto Walker Road
1.5 mi · 2 min · Walker Road
-
9
Turn left onto Ashley Road
2.8 mi · 4 min · Ashley Road
-
10
At the end of the road, turn right onto East Schoolhouse Road
2391 ft · 46 sec · East Schoolhouse Road
-
11
Turn left onto Minkler Road
3.4 mi · 5 min · Minkler Road
-
12
Enter the roundabout and take exit 2 toward Minkler Road
38 m · 4 sec · Minkler Road
-
13
Exit the roundabout onto Minkler Road
1.5 km · 2 min · Minkler Road
-
14
Continue on Orchard Road
11.2 mi · 19 min · Orchard Road
-
15
Turn left onto South Randall Road
4.5 mi · 8 min · South Randall Road
-
16
Turn right onto Kaneville Road
1.2 mi · 2 min · Kaneville Road
-
17
Turn right onto West State Street
1.1 km · 2 min · West State Street
-
18
Turn right
6 m · 1 sec
-
19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Geneva.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
I 74 West
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
64.9 mi · 01h 10m
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.
Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Decatur and Mostly Sunny near Geneva.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Geneva?
The road trip is about 166.5 miles (268 km) and usually takes 03h 29m 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?
Rooks Creek is a useful midpoint, sitting about 83.3 miles from Decatur and 83.2 miles from Geneva.
How much longer is the road route than the straight-line distance?
The direct path is about 145.5 miles (234.1 km), while the road route adds roughly 21 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 10:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.17 one way or $44.35 round trip. Estimated CO2 is about 52.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Decatur and Mostly Sunny near Geneva.
Stop Ideas Near Rooks Creek
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 Rooks Creek.
Pontiac station
Dwight station
Uptown Station
Gilman
Flight Path Map
This map shows the direct air route between Decatur and Geneva. Straight-line distance: 145.46 mi (234.1 km).
#1 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
#2 Geneva
County seat of Kane County, Illinois
| Population | 21,674 |
| Coordinates | 41.8875300, -88.3053500 |
| Altitude | 217 |
| Country | United States |
End: Geneva (-88.30535, 41.88753)
Estimated Travel Time
Distance: 268 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 32m |
| 40 mph (64.37 km/h) | 04h 09m |
| 50 mph (80.47 km/h) | 03h 19m |
| 60 mph (96.56 km/h) | 02h 46m |
| 70 mph (112.65 km/h) | 02h 22m |
| 80 mph (129 km/h) | 02h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.17 | $44.35 |
| Mid-grade | $4.25 | $25.01 | $50.02 |
| Premium | $4.65 | $27.37 | $54.73 |
| Diesel | $5.30 | $31.19 | $62.38 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.