How far is Lafayette, IL from Naperville, IL?
The driving distance from Lafayette, IL to Naperville, IL is about 146.5 miles (235.7 km), with a travel time of about 02h 26m by car.
- The straight-line flight distance is about 105.4 miles (169.7 km).
- For a round trip, plan for roughly 04h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 26m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in LaSalle County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Mostly Cloudy
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Lafayette and Naperville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lafayette and Naperville.
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1
Start on Madison Street
1964 ft · 33 sec · Madison Street
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2
Continue on 2100 E
2 mi · 3 min · 2100 E
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3
At the end of the road, turn left
4.5 mi · 8 min
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4
At the end of the road, turn right
5.2 mi · 9 min
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5
Turn right onto East 2nd Street
2506 ft · 42 sec · East 2nd Street
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6
Turn slight left onto North East Street
1.3 mi · 2 min · North East Street
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7
Turn left
12 mi · 18 min
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8
Turn right onto West Railroad Street
1.6 km · 1 min · West Railroad Street
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9
Continue on North Mason Street
1757 ft · 29 sec · North Mason Street
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10
Continue on County Road 1500 N
2.5 mi · 4 min · County Road 1500 N
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11
Turn left onto IL 40
1.4 mi · 2 min · IL 40
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12
Take the ramp left
1690 ft · 42 sec
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13
Merge slight left
48.1 mi · 52 min
-
14
Take the exit slight right toward IL 71: Ottawa, Oswego
1276 ft · 33 sec
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15
Turn left onto Illinois Route 71
31.7 mi · 47 min · Illinois Route 71
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16
Continue straight
1.4 km · 2 min
-
17
Continue straight
10.9 mi · 20 min
-
18
Continue on West Ogden Avenue
2 mi · 4 min · West Ogden Avenue
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19
Turn left onto North Washington Street
15 m · 1 sec · North Washington Street
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20
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between Lafayette and Naperville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
IL 40
Merge slight left
48.1 mi · 00h 52m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Rain Showers then Mostly Cloudy leaving Lafayette and Showers And Thunderstorms near Naperville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lafayette to Naperville?
The road trip is about 146.5 miles (235.7 km) and usually takes 02h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
La Salle is a useful midpoint, sitting about 62.5 miles from Lafayette and 83.9 miles from Naperville.
How much longer is the road route than the straight-line distance?
The direct path is about 105.4 miles (169.7 km), while the road route adds roughly 41.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.12 one way or $48.24 round trip. Estimated CO2 is about 45.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Mostly Cloudy around Lafayette and Showers And Thunderstorms near Naperville.
Stop Ideas Near La Salle
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 La Salle.
Mendota station
Princeton
Plano
Dwight station
Flight Path Map
This map shows the direct air route between Lafayette and Naperville. Straight-line distance: 105.44 mi (169.69 km).
#1 Lafayette
Township in Ogle County, Illinois
| Population | 161 |
| Coordinates | 41.1080900, -89.9715000 |
| Altitude | 243 |
| Country | United States |
#2 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
End: North Washington Street (-88.147302, 41.785837)
Estimated Travel Time
Distance: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 52m |
| 40 mph (64.37 km/h) | 03h 39m |
| 50 mph (80.47 km/h) | 02h 55m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $24.12 | $48.24 |
| Mid-grade | $5.29 | $27.36 | $54.72 |
| Premium | $5.84 | $30.18 | $60.35 |
| Diesel | $6.57 | $33.97 | $67.94 |
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 · Oct 15, 2026