How far is Naperville, IL from Lanark, IL?
The driving distance from Naperville, IL to Lanark, IL is about 106.4 miles (171.3 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 89.4 miles (143.8 km).
- For a round trip, plan for roughly 04h 28m 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 14m.
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 Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Naperville and Lanark.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Lanark.
-
1
Start on North Washington Street
15 m · 5 sec · North Washington Street
-
2
Turn right onto West Ogden Avenue
1972 ft · 46 sec · West Ogden Avenue
-
3
Turn right onto Mill Street
1.1 mi · 2 min · Mill Street
-
4
Turn left onto West Diehl Road
1 km · 1 min · West Diehl Road
-
5
Turn right onto Winfield Road
2356 ft · 59 sec · Winfield Road
-
6
Take the ramp slight left toward I 88 West: Aurora
2051 ft · 50 sec
-
7
Merge slight left onto Ronald Reagan Memorial Tollway
11 mi · 13 min · Ronald Reagan Memorial Tollway
-
8
Keep slight left to continue on Ronald Reagan Memorial Tollway
59.3 mi · 1 hr 4 min · Ronald Reagan Memorial Tollway
-
9
Take the exit slight right toward IL 26: Dixon
1.1 km · 2 min
-
10
Turn right
9.3 mi · 15 min
-
11
Continue straight
22.8 mi · 34 min
-
12
Turn right onto South Broad Street
2318 ft · 44 sec · South Broad Street
-
13
Turn left onto West Locust Street
53 m · 10 sec · West Locust Street
-
14
Turn right
21 m · 5 sec
-
15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Naperville and Lanark.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Ronald Reagan Memorial Tollway
Keep slight left to continue on Ronald Reagan Memorial Tollway
59.3 mi · 01h 04m
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.
Showers And Thunderstorms leaving Naperville and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Lanark.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Lanark?
The road trip is about 106.4 miles (171.3 km) and usually takes 02h 14m 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?
Flagg is a useful midpoint, sitting about 53.1 miles from Naperville and 53.3 miles from Lanark.
How much longer is the road route than the straight-line distance?
The direct path is about 89.4 miles (143.8 km), while the road route adds roughly 17 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 2:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.18 one way or $28.36 round trip. Estimated CO2 is about 33.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Naperville and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Lanark.
Stop Ideas Near Flagg
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 Flagg.
Mendota station
Rockford, Illinois
Plano
Princeton
Flight Path Map
This map shows the direct air route between Naperville and Lanark. Straight-line distance: 89.37 mi (143.82 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Lanark
City in Illinois, United States
| Population | 1,321 |
| Coordinates | 42.1022500, -89.8334500 |
| Altitude | 268 |
| Country | United States |
End: Lanark (-89.83345, 42.10225)
Estimated Travel Time
Distance: 171 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 32m |
| 40 mph (64.37 km/h) | 02h 39m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.18 | $28.36 |
| Mid-grade | $4.25 | $15.99 | $31.98 |
| Premium | $4.65 | $17.50 | $35.00 |
| Diesel | $5.30 | $19.94 | $39.89 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.