How far is Lockport, IL from Summit, IL?

The driving distance from Lockport, IL to Summit, IL is about 262.4 miles (422.3 km), with a travel time of about 05h 00m by car.

  • The straight-line flight distance is about 233.8 miles (376.3 km).
  • For a round trip, plan for roughly 10h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
262.39 mi
05h 00m
Flight
233.79 mi
376.25 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Lockport.

Flight Distance

Direct air line
233.79 mi
Kilometers
376.25 km
Flight Time
00h 28m

Driving Distance

Road route
262.39 mi
Kilometers
422.28 km
Drive Time
05h 00m

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 05h 00m.

Arrival Snapshot
Arrive in Summit
Thu, Oct 15, 6:25 PM CDT
Return by in Lockport
Thu, Oct 15, 11:26 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lockport
2026-10-15T13:25
Arrive Summit
Thu, Oct 15, 6:25 PM CDT
Route Timing
05h 00m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:00 AM to 1:00 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:00 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Lockport
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Lawndale
IL

Unincorporated community in Illinois, United States

From Lockport
131.2 mi
02h 30m
To Summit
131.2 mi
02h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
5 to 10 mph E
Destination
84°F
Thursday

Chance Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
6 to 9 mph S

Driving Route Map

The map below follows the saved road route between Lockport and Summit.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lockport and Summit.

  1. 1

    Start on West 9th Street

    34 m · 6 sec · West 9th Street

  2. 2

    Turn right onto South State Street

    2.7 mi · 6 min · South State Street

  3. 3

    Continue on Collins Street

    2 mi · 5 min · Collins Street

  4. 4

    Continue on East Jefferson Street

    123 m · 19 sec · East Jefferson Street

  5. 5

    Turn left onto Richards Street

    1.2 km · 2 min · Richards Street

  6. 6

    Take the ramp slight right toward I 80 West: Moline, Rock Island

    969 ft · 24 sec

  7. 7

    Merge slight left

    7 mi · 9 min

  8. 8

    Take the exit slight right toward I 55 South: Saint Louis

    1900 ft · 54 sec

  9. 9

    Merge slight left

    93 mi · 1 hr 40 min

  10. 10

    Keep slight right to continue on I 55 South: Saint Louis, Springfield

    64.8 mi · 1 hr 10 min

  11. 11

    Keep slight left to continue on I 55 South: Saint Louis

    77.9 mi · 1 hr 24 min

  12. 12

    Take the exit slight right toward IL 159 South: Collinsville

    1434 ft · 48 sec

  13. 13

    Continue on Vandalia Street

    3 mi · 5 min · Vandalia Street

  14. 14

    Continue on South Morrison Avenue

    1.3 mi · 2 min · South Morrison Avenue

  15. 15

    Continue on North Illinois Street

    5.8 mi · 9 min · North Illinois Street

  16. 16

    Turn right onto Frank Scott Parkway West

    2.4 mi · 4 min · Frank Scott Parkway West

  17. 17

    Turn left onto Illinois Route 161

    1.4 km · 1 min · Illinois Route 161

  18. 18

    Turn left onto Hanna Drive

    936 ft · 41 sec · Hanna Drive

  19. 19

    Arrive at your destination

    0 m · 1 sec · Hanna Drive

Car Route Details

A richer read on the saved driving route between Lockport and Summit.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
19 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
7.2 / 100 mi
Decision points by distance
Main Roads
I 55 South
236 mi · 90%
I 80 West
7.17 mi · 3%
North Illinois Street
5.8 mi · 2%
Vandalia Street
2.97 mi · 1%
South State Street
2.66 mi · 1%
Frank Scott Parkway West
2.39 mi · 1%
Longest Stretch

I 55 South

Merge slight left

93 mi · 01h 40m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 00m
Long day trip
Same-Day Return
10h 00m
Round-trip wheel time
Road vs Air
+28.6 mi
233.8 mi direct line
Halfway Stop
Lawndale
02h 30m from Lockport
Leave By
7:00 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Lockport and Chance Showers And Thunderstorms near Summit.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lockport to Summit?

The road trip is about 262.4 miles (422.3 km) and usually takes 05h 00m 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?

Lawndale is a useful midpoint, sitting about 131.2 miles from Lockport and 131.2 miles from Summit.

How much longer is the road route than the straight-line distance?

The direct path is about 233.8 miles (376.3 km), while the road route adds roughly 28.6 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:00 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.20 one way or $86.40 round trip. Estimated CO2 is about 82.3 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Lockport and Chance Showers And Thunderstorms near Summit.

Stop Ideas Near Lawndale

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Lawndale and the surrounding midpoint area.
Route 66 Original Alignment- Driveable!
Scenic stop 7.7 mi away

Route 66 Original Alignment- Driveable!

Atlanta , IL
865 SW Arch St, Atlanta, IL 61723, United States
Rating 5.0/5 1 reviews Tourist attraction
City of Lincoln
Meeting point 3.3 mi away

City of Lincoln

Lincoln , IL
700 Broadway St, Lincoln, IL 62656
Rating 3.8/5 4 reviews City government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lawndale.

RAIL

Lincoln

10 mi away
Broadway and North Chicago Sts.
RAIL

Uptown Station

41 mi away
100 East Parkinson St.
RAIL

Springfield station

56 mi away
East Washington and North Third Sts.
BUS

Peoria, Illinois

61 mi away
6100 West Everett M. Dirksen Parkway

Flight Path Map

This map shows the direct air route between Lockport and Summit. Straight-line distance: 233.79 mi (376.25 km).

Lockport

#1 Lockport

The most populous city in Will County, Illinois.

Population59,877
Coordinates41.5894800, -88.0578400
Altitude181
CountryUnited States
Summit

#2 Summit

Village in Illinois, USA

Population10,977
Coordinates38.5511600, -90.0048300
Altitude173
CountryUnited States
Start: Lockport (-88.05784, 41.58948)
End: Summit (-90.00483, 38.55116)

Estimated Travel Time

Distance: 422 km by road

SpeedTime
30 mph (48.3 km/h)08h 44m
40 mph (64.37 km/h)06h 33m
50 mph (80.47 km/h)05h 14m
60 mph (96.56 km/h)04h 22m
70 mph (112.65 km/h)03h 44m
80 mph (129 km/h)03h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.26 gal
35.05 L · about $43.20
Round trip
$86.40
18.52 gal · 70.1 L
Estimated CO2
82.3 kg one way
Round trip: 164.6 kg / 363 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.67 $43.20 $86.40
Mid-grade $5.29 $49.00 $98.01
Premium $5.84 $54.05 $108.10
Diesel $6.57 $60.85 $121.69

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

There is no time difference between Lockport and Summit. The current time is 13:25:24.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.