How far is Lockport, IL from Westchester, IL?
The driving distance from Lockport, IL to Westchester, IL is about 26.2 miles (42.1 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 20.2 miles (32.5 km).
- For a round trip, plan for roughly 01h 20m 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 40m.
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.
Town in Connecticut
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 Lockport and Westchester.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockport and Westchester.
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1
Start on West 9th Street
1.9 mi · 4 min · West 9th Street
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2
Continue on West 159th Street
1.4 km · 2 min · West 159th Street
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3
Turn left onto I 355 North: West Suburbs
2577 ft · 1 min
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4
Merge slight left onto Veterans Memorial Tollway
6.8 mi · 7 min · Veterans Memorial Tollway
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5
Take the exit slight right toward I 55 North: Chicago
1.2 km · 2 min
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6
Merge slight left onto Adlai Stevenson Expressway
6.9 mi · 9 min · Adlai Stevenson Expressway
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7
Take the exit slight right toward I 294 Tollway North: Wisconsin
1.6 mi · 3 min
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8
Keep slight left to continue on I 294 North: Wisconsin
1694 ft · 41 sec
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9
Merge slight left onto Tri-State Tollway
2.5 mi · 3 min · Tri-State Tollway
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10
Take the exit slight right toward US 34 East: Ogden Avenue
1552 ft · 38 sec
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11
Turn straight onto East Ogden Avenue
1.1 km · 2 min · East Ogden Avenue
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12
Turn left onto Wolf Road
1.9 mi · 4 min · Wolf Road
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13
Turn right onto Cermak Road
1 mi · 2 min · Cermak Road
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14
Turn left onto South Mannheim Road
688 ft · 28 sec · South Mannheim Road
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15
Turn left onto Dorchester Street
27 m · 9 sec · Dorchester Street
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16
Turn right
22 m · 5 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lockport and Westchester.
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.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
6.92 mi · 00h 09m
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 Lockport and Showers And Thunderstorms near Westchester.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockport to Westchester?
The road trip is about 26.2 miles (42.1 km) and usually takes 00h 40m 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?
Darien is a useful midpoint, sitting about 13 miles from Lockport and 13.1 miles from Westchester.
How much longer is the road route than the straight-line distance?
The direct path is about 20.2 miles (32.5 km), while the road route adds roughly 6 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 7:10 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.29 one way or $8.58 round trip. Estimated CO2 is about 8.2 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Lockport and Showers And Thunderstorms near Westchester.
Stop Ideas Near Darien
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 Darien.
La Grange Road
Summit
Naperville
Joliet Transportation Center
Flight Path Map
This map shows the direct air route between Lockport and Westchester. Straight-line distance: 20.19 mi (32.5 km).
#1 Lockport
The most populous city in Will County, Illinois.
| Population | 59,877 |
| Coordinates | 41.5894800, -88.0578400 |
| Altitude | 181 |
| Country | United States |
#2 Westchester
Village in Cook County, Illinois, United States
| Population | 15,911 |
| Coordinates | 41.8505900, -87.8820000 |
| Altitude | 194 |
| Country | United States |
End: Westchester (-87.882, 41.85059)
Estimated Travel Time
Distance: 42 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 52m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $4.29 | $8.58 |
| Mid-grade | $5.29 | $4.87 | $9.74 |
| Premium | $5.84 | $5.37 | $10.74 |
| Diesel | $6.57 | $6.05 | $12.09 |
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