How far is Lockport, IL from Herrin, IL?
The driving distance from Lockport, IL to Herrin, IL is about 297.4 miles (478.6 km), with a travel time of about 05h 42m by car.
- The straight-line flight distance is about 266.6 miles (429.1 km).
- For a round trip, plan for roughly 11h 24m 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 42m.
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.
Township in Douglas County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Lockport and Herrin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockport and Herrin.
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1
Start on West 9th Street
2736 ft · 1 min · West 9th Street
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2
Turn right onto Garfield Avenue
1749 ft · 1 min · Garfield Avenue
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3
At the end of the road, turn left onto East Division Street
878 ft · 26 sec · East Division Street
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4
Turn right onto South Briggs Street
2 mi · 4 min · South Briggs Street
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5
Continue on Fernwood Avenue
1.4 km · 2 min · Fernwood Avenue
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6
Continue on Briggs Street
3.6 mi · 8 min · Briggs Street
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7
Continue on Manhattan Road
3.1 mi · 4 min · Manhattan Road
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8
Continue on West North Street
2.3 mi · 4 min · West North Street
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9
Continue on South State Street
1.9 mi · 3 min · South State Street
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10
Continue on US Route 52
1.2 mi · 2 min · US Route 52
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11
Continue on South Cedar Road
3.1 mi · 5 min · South Cedar Road
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12
Continue on West Arsenal Road
1.9 mi · 3 min · West Arsenal Road
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13
Continue on West Joliet Road
1.3 mi · 2 min · West Joliet Road
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14
Turn right onto South La Grange Road
10.1 mi · 14 min · South La Grange Road
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15
Turn left onto Bourbonnais Parkway
2017 ft · 40 sec · Bourbonnais Parkway
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16
Take the ramp slight right toward I-57 South: Kankakee
2192 ft · 54 sec
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17
Merge slight left
160.5 mi · 2 hr 52 min
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18
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
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19
Keep slight right to continue on Ken Gray Expressway
32.7 mi · 35 min · Ken Gray Expressway
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20
Take the exit slight right toward Johnston City, Herrin
1506 ft · 39 sec
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21
Turn right onto Herrin Road
3.1 mi · 5 min · Herrin Road
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22
Continue on East Herrin Street
1.4 mi · 2 min · East Herrin Street
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23
Turn left onto North Park Avenue
2847 ft · 54 sec · North Park Avenue
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24
Arrive at your destination
0 m · 1 sec · South Park Avenue
Car Route Details
A richer read on the saved driving route between Lockport and Herrin.
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-57 South
Merge slight left
161 mi · 02h 52m
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.
Chance Showers And Thunderstorms leaving Lockport and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Herrin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockport to Herrin?
The road trip is about 297.4 miles (478.6 km) and usually takes 05h 42m 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?
Arcola is a useful midpoint, sitting about 148.8 miles from Lockport and 148.6 miles from Herrin.
How much longer is the road route than the straight-line distance?
The direct path is about 266.6 miles (429.1 km), while the road route adds roughly 30.8 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 5:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.56 one way or $79.12 round trip. Estimated CO2 is about 93.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Lockport and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Herrin.
Stop Ideas Near Arcola
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 Arcola.
Mattoon station
Illinois Terminal
Effingham
Rantoul
Flight Path Map
This map shows the direct air route between Lockport and Herrin. Straight-line distance: 266.64 mi (429.11 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 Herrin
City in Williamson County, Illinois, United States
| Population | 12,625 |
| Coordinates | 37.8031100, -89.0275700 |
| Altitude | 128 |
| Country | United States |
End: Herrin (-89.02757, 37.80311)
Estimated Travel Time
Distance: 479 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 54m |
| 40 mph (64.37 km/h) | 07h 26m |
| 50 mph (80.47 km/h) | 05h 56m |
| 60 mph (96.56 km/h) | 04h 57m |
| 70 mph (112.65 km/h) | 04h 14m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $39.56 | $79.12 |
| Mid-grade | $4.25 | $44.61 | $89.23 |
| Premium | $4.65 | $48.82 | $97.64 |
| Diesel | $5.30 | $55.64 | $111.28 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.