How far is Lockport, IL from Mount Vernon, IL?
The driving distance from Lockport, IL to Mount Vernon, IL is about 259.5 miles (417.6 km), with a travel time of about 05h 01m by car.
- The straight-line flight distance is about 230.5 miles (370.9 km).
- For a round trip, plan for roughly 10h 02m 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 01m.
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 Champaign County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Lockport and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockport and Mount Vernon.
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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
62.7 mi · 1 hr 7 min
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19
Take the exit slight right toward IL 15: Ashley, Mt. Vernon
1624 ft · 42 sec
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20
Turn straight onto Broadway Street
2.8 mi · 5 min · Broadway Street
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21
Arrive at your destination
0 m · 1 sec · Broadway Street
Car Route Details
A richer read on the saved driving route between Lockport and Mount Vernon.
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.
Showers And Thunderstorms leaving Lockport and Showers And Thunderstorms Likely near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockport to Mount Vernon?
The road trip is about 259.5 miles (417.6 km) and usually takes 05h 01m 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?
Pesotum is a useful midpoint, sitting about 129.8 miles from Lockport and 129.7 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 230.5 miles (370.9 km), while the road route adds roughly 29 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 6:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.73 one way or $85.46 round trip. Estimated CO2 is about 81.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Lockport and Showers And Thunderstorms Likely near Mount Vernon.
Stop Ideas Near Pesotum
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 Pesotum.
Illinois Terminal
Rantoul
Mattoon station
Danville, Illinois
Flight Path Map
This map shows the direct air route between Lockport and Mount Vernon. Straight-line distance: 230.47 mi (370.91 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 Mount Vernon
City located near the center of Jefferson County, Illinois, United States
| Population | 14,511 |
| Coordinates | 38.3172700, -88.9031200 |
| Altitude | 156 |
| Country | United States |
End: Mount Vernon (-88.90312, 38.31727)
Estimated Travel Time
Distance: 418 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 38m |
| 40 mph (64.37 km/h) | 06h 29m |
| 50 mph (80.47 km/h) | 05h 11m |
| 60 mph (96.56 km/h) | 04h 19m |
| 70 mph (112.65 km/h) | 03h 42m |
| 80 mph (129 km/h) | 03h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $42.73 | $85.46 |
| Mid-grade | $5.29 | $48.47 | $96.95 |
| Premium | $5.84 | $53.47 | $106.93 |
| Diesel | $6.57 | $60.19 | $120.38 |
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