How far is Naperville, IL from Mount Vernon, IL?
The driving distance from Naperville, IL to Mount Vernon, IL is about 289.4 miles (465.7 km), with a travel time of about 05h 23m by car.
- The straight-line flight distance is about 243 miles (391 km).
- For a round trip, plan for roughly 10h 47m 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 23m.
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.
The most populous city in Champaign County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Naperville and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Mount Vernon.
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1
Start on North Washington Street
15 m · 9 sec · North Washington Street
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2
Turn left onto East Ogden Avenue
5 mi · 10 min · East Ogden Avenue
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3
Take the ramp right toward I 355 Toll South: Joliet
1189 ft · 29 sec
-
4
Merge slight left onto Veterans Memorial Tollway
19.2 mi · 22 min · Veterans Memorial Tollway
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5
Keep slight left to continue on I 80 East: Indiana
1.3 mi · 3 min
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6
Merge slight left
10.6 mi · 12 min
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7
Take the exit slight right toward I 57 South: Memphis
3222 ft · 1 min
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8
Merge slight left
186.7 mi · 3 hr 22 min
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9
Keep slight left to continue on I 57 South: Memphis
62.7 mi · 1 hr 7 min
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10
Take the exit slight right toward IL 15: Ashley, Mt. Vernon
1624 ft · 42 sec
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11
Turn straight onto Broadway Street
2.8 mi · 5 min · Broadway Street
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12
Arrive at your destination
0 m · 1 sec · Broadway Street
Car Route Details
A richer read on the saved driving route between Naperville 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
187 mi · 03h 22m
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.
Partly Sunny leaving Naperville and Mostly Sunny then Chance Showers And Thunderstorms near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Mount Vernon?
The road trip is about 289.4 miles (465.7 km) and usually takes 05h 23m 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?
Champaign is a useful midpoint, sitting about 144.8 miles from Naperville and 144.6 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 243 miles (391 km), while the road route adds roughly 46.4 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 6:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.50 one way or $77.00 round trip. Estimated CO2 is about 90.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Naperville and Mostly Sunny then Chance Showers And Thunderstorms near Mount Vernon.
Stop Ideas Near Champaign
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 Champaign.
Illinois Terminal
Rantoul
Danville, Illinois
Mattoon station
Flight Path Map
This map shows the direct air route between Naperville and Mount Vernon. Straight-line distance: 242.96 mi (391.01 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| 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: 466 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 38m |
| 40 mph (64.37 km/h) | 07h 14m |
| 50 mph (80.47 km/h) | 05h 47m |
| 60 mph (96.56 km/h) | 04h 49m |
| 70 mph (112.65 km/h) | 04h 08m |
| 80 mph (129 km/h) | 03h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $38.50 | $77.00 |
| Mid-grade | $4.25 | $43.42 | $86.85 |
| Premium | $4.65 | $47.52 | $95.03 |
| Diesel | $5.30 | $54.15 | $108.31 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.