How far is Darien, IL from Lockport, IL?
The driving distance from Darien, IL to Lockport, IL is about 14.5 miles (23.4 km), with a travel time of about 00h 19m by car.
- The straight-line flight distance is about 12.1 miles (19.4 km).
- For a round trip, plan for roughly 00h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 19m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Historic village in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Darien and Lockport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Darien and Lockport.
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1
Start on Cass Avenue
1.2 mi · 2 min · Cass Avenue
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2
Take the ramp slight right toward I 55 South
2189 ft · 53 sec
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3
Merge slight left onto Adlai Stevenson Expressway
2.6 mi · 3 min · Adlai Stevenson Expressway
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4
Take the exit slight right toward I 355 South Toll, I 355 North Toll: Northwest Suburbs, Southwest Suburbs
1541 ft · 38 sec
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5
Keep slight left to continue on I 355 Tollway South: Southwest Suburbs
1.2 mi · 2 min
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6
Merge slight left onto Veterans Memorial Tollway
6.5 mi · 7 min · Veterans Memorial Tollway
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7
Take the exit slight right toward IL 7: 159th Street
2113 ft · 52 sec
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8
Turn right onto West 159th Street
1.2 km · 1 min · West 159th Street
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9
Continue on East 9th Street
1.9 mi · 4 min · East 9th Street
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10
Arrive at your destination
0 m · 1 sec · West 9th Street
Car Route Details
A richer read on the saved driving route between Darien and Lockport.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Veterans Memorial Tollway
Merge slight left onto Veterans Memorial Tollway
6.55 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving Darien and Showers And Thunderstorms near Lockport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Darien to Lockport?
The road trip is about 14.5 miles (23.4 km) and usually takes 00h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Lemont is a useful midpoint, sitting about 7.6 miles from Darien and 6.9 miles from Lockport.
How much longer is the road route than the straight-line distance?
The direct path is about 12.1 miles (19.4 km), while the road route adds roughly 2.4 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.38 one way or $4.76 round trip. Estimated CO2 is about 4.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Darien and Showers And Thunderstorms near Lockport.
Stop Ideas Near Lemont
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 Lemont.
Naperville
Joliet Transportation Center
La Grange Road
Summit
Flight Path Map
This map shows the direct air route between Darien and Lockport. Straight-line distance: 12.04 mi (19.37 km).
#1 Darien
Town in Connecticut
| Population | 21,531 |
| Coordinates | 41.7519800, -87.9739500 |
| Altitude | 231 |
| Country | United States |
#2 Lockport
The most populous city in Will County, Illinois.
| Population | 59,877 |
| Coordinates | 41.5894800, -88.0578400 |
| Altitude | 181 |
| Country | United States |
End: West 9th Street (-88.057844, 41.589471)
Estimated Travel Time
Distance: 23 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 29m |
| 40 mph (64.37 km/h) | 00h 21m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $2.38 | $4.76 |
| Mid-grade | $5.29 | $2.70 | $5.40 |
| Premium | $5.84 | $2.98 | $5.95 |
| Diesel | $6.57 | $3.35 | $6.70 |
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