How far is Naperville, IL from Piasa, IL?
The driving distance from Naperville, IL to Piasa, IL is about 246.6 miles (396.9 km), with a travel time of about 04h 48m by car.
- The straight-line flight distance is about 211.7 miles (340.7 km).
- For a round trip, plan for roughly 09h 36m 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 04h 48m.
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 McLean County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Naperville and Piasa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Piasa.
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1
Start on North Washington Street
5.3 mi · 12 min · North Washington Street
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2
Turn right onto Washington Street
2580 ft · 51 sec · Washington Street
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3
Continue on Weber Road
3.9 mi · 7 min · Weber Road
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4
Take the ramp slight right toward I 55 South: Bloomington
1902 ft · 49 sec
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5
Merge slight left
105.9 mi · 1 hr 55 min
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6
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
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7
Keep slight left to continue on I 55 South: Saint Louis
39.7 mi · 43 min
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8
Take the exit slight right toward IL 16: Gillespie, Litchfield
2998 ft · 57 sec
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9
Turn straight onto County Road 1200 North
8.4 mi · 12 min · County Road 1200 North
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10
Turn right onto Broadway Street
8 mi · 12 min · Broadway Street
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11
Turn right onto 8000N
4.4 mi · 6 min · 8000N
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12
Continue on East Railroad Street
1.2 mi · 2 min · East Railroad Street
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13
Continue on 8000N
3.7 mi · 6 min · 8000N
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14
Turn left onto Piasa Road
38 m · 6 sec · Piasa Road
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15
Arrive at your destination
0 m · 1 sec · Piasa Road
Car Route Details
A richer read on the saved driving route between Naperville and Piasa.
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
106 mi · 01h 55m
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 Naperville and Mostly Sunny near Piasa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Piasa?
The road trip is about 246.6 miles (396.9 km) and usually takes 04h 48m 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?
Funks Grove is a useful midpoint, sitting about 123.3 miles from Naperville and 123.3 miles from Piasa.
How much longer is the road route than the straight-line distance?
The direct path is about 211.7 miles (340.7 km), while the road route adds roughly 34.9 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 7:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.81 one way or $65.62 round trip. Estimated CO2 is about 77.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Naperville and Mostly Sunny near Piasa.
Stop Ideas Near Funks Grove
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Bloomington, Illinois
Bloomington Finance Department
City Hall - Town of Normal
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Funks Grove.
Uptown Station
Lincoln
Peoria, Illinois
Pontiac station
Flight Path Map
This map shows the direct air route between Naperville and Piasa. Straight-line distance: 211.71 mi (340.72 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Piasa
Unincorporated community in Illinois
| Population | 3,151 |
| Coordinates | 39.1158800, -90.1237200 |
| Altitude | 181 |
| Country | United States |
End: Piasa (-90.12372, 39.11588)
Estimated Travel Time
Distance: 397 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 12m |
| 40 mph (64.37 km/h) | 06h 09m |
| 50 mph (80.47 km/h) | 04h 55m |
| 60 mph (96.56 km/h) | 04h 06m |
| 70 mph (112.65 km/h) | 03h 31m |
| 80 mph (129 km/h) | 03h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.81 | $65.62 |
| Mid-grade | $4.25 | $37.00 | $74.00 |
| Premium | $4.65 | $40.49 | $80.98 |
| Diesel | $5.30 | $46.14 | $92.29 |
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.