How far is Naperville, IL from Delavan, IL?
The driving distance from Naperville, IL to Delavan, IL is about 158.3 miles (254.7 km), with a travel time of about 03h 06m by car.
- The straight-line flight distance is about 121.9 miles (196.1 km).
- For a round trip, plan for roughly 06h 13m 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 06m.
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.
Township in Livingston County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Naperville and Delavan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Delavan.
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1
Start on North Washington Street
5.3 mi · 12 min · North Washington Street
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2
Turn right onto Washington Street
2580 ft · 51 sec · Washington Street
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3
Continue on Weber Road
3.9 mi · 7 min · Weber Road
-
4
Take the ramp slight right toward I 55 South: Bloomington
1902 ft · 49 sec
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5
Merge slight left
99.5 mi · 1 hr 48 min
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6
Take the exit slight right toward I 74 West: Peoria
2888 ft · 49 sec
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7
Continue straight
25.9 mi · 28 min
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8
Take the exit slight right toward I 155 South: Lincoln
1 mi · 2 min
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9
Continue straight
16.2 mi · 17 min
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10
Take the exit slight right toward IL 122 West: Delavan
1417 ft · 35 sec
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11
Turn right onto County Road 400 North
4.5 mi · 8 min · County Road 400 North
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12
Continue on East 4th Street
2594 ft · 1 min · East 4th Street
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13
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Naperville and Delavan.
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 55 South
Merge slight left
99.5 mi · 01h 48m
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 leaving Naperville and Mostly Sunny near Delavan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Delavan?
The road trip is about 158.3 miles (254.7 km) and usually takes 03h 06m 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 79.1 miles from Naperville and 79.2 miles from Delavan.
How much longer is the road route than the straight-line distance?
The direct path is about 121.9 miles (196.1 km), while the road route adds roughly 36.4 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 10:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.04 one way or $42.08 round trip. Estimated CO2 is about 49.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Naperville and Mostly Sunny near Delavan.
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 Naperville and Delavan. Straight-line distance: 121.87 mi (196.13 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Delavan
Township in Tazewell County, Illinois
| Population | 1,596 |
| Coordinates | 40.3725400, -89.5473200 |
| Altitude | 187 |
| Country | United States |
End: Delavan (-89.54732, 40.37254)
Estimated Travel Time
Distance: 255 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 16m |
| 40 mph (64.37 km/h) | 03h 57m |
| 50 mph (80.47 km/h) | 03h 09m |
| 60 mph (96.56 km/h) | 02h 38m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.04 | $42.08 |
| Mid-grade | $4.25 | $23.73 | $47.46 |
| Premium | $4.65 | $25.97 | $51.94 |
| Diesel | $5.30 | $29.60 | $59.19 |
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.