How far is Lockport, IL from Cahokia, IL?
The driving distance from Lockport, IL to Cahokia, IL is about 265.9 miles (428 km), with a travel time of about 05h 00m by car.
- The straight-line flight distance is about 237.1 miles (381.5 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.
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.
This drive is better planned with a longer stop or an overnight stay.
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 05h 00m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Lockport and Cahokia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockport and Cahokia.
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1
Start on West 9th Street
34 m · 6 sec · West 9th Street
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2
Turn right onto South State Street
2.7 mi · 6 min · South State Street
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3
Continue on Collins Street
2 mi · 5 min · Collins Street
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4
Continue on East Jefferson Street
123 m · 19 sec · East Jefferson Street
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5
Turn left onto Richards Street
1.2 km · 2 min · Richards Street
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6
Take the ramp slight right toward I 80 West: Moline, Rock Island
969 ft · 24 sec
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7
Merge slight left
7 mi · 9 min
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8
Take the exit slight right toward I 55 South: Saint Louis
1900 ft · 54 sec
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9
Merge slight left
93 mi · 1 hr 40 min
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10
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
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11
Keep slight left to continue on I 55 South: Saint Louis
89.3 mi · 1 hr 37 min
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12
Keep slight left to continue on I 55 South, I 64, IL 3, US 40 West: Louisville, Saint Louis
1.1 km · 1 min
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13
Merge slight left
1 mi · 2 min
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14
Keep slight right to continue on IL 3 South: Cahokia
2632 ft · 32 sec
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15
Take the exit slight right toward IL 3 South: Cahokia Heights, Great River Road South
3.6 mi · 6 min
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16
Turn right onto West 1st Street
29 m · 4 sec · West 1st Street
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17
Arrive at your destination
0 m · 1 sec · West 1st Street
Car Route Details
A richer read on the saved driving route between Lockport and Cahokia.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
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.
Mostly Sunny leaving Lockport and Sunny near Cahokia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockport to Cahokia?
The road trip is about 265.9 miles (428 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?
Lincoln is a useful midpoint, sitting about 133 miles from Lockport and 132.9 miles from Cahokia.
How much longer is the road route than the straight-line distance?
The direct path is about 237.1 miles (381.5 km), while the road route adds roughly 28.8 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 $35.37 one way or $70.74 round trip. Estimated CO2 is about 83.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Lockport and Sunny near Cahokia.
Stop Ideas Near Lincoln
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lincoln.
Lincoln
Springfield station
Uptown Station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Lockport and Cahokia. Straight-line distance: 237.06 mi (381.51 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 Cahokia
Village in St.
| Population | 13,742 |
| Coordinates | 38.5708800, -90.1901100 |
| Altitude | 124 |
| Country | United States |
End: Cahokia (-90.19011, 38.57088)
Estimated Travel Time
Distance: 428 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 51m |
| 40 mph (64.37 km/h) | 06h 38m |
| 50 mph (80.47 km/h) | 05h 19m |
| 60 mph (96.56 km/h) | 04h 25m |
| 70 mph (112.65 km/h) | 03h 47m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.37 | $70.74 |
| Mid-grade | $4.25 | $39.89 | $79.79 |
| Premium | $4.65 | $43.65 | $87.31 |
| Diesel | $5.30 | $49.75 | $99.50 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.