How far is Naperville, IL from Gillespie, IL?
The driving distance from Naperville, IL to Gillespie, IL is about 229.3 miles (369 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 203.5 miles (327.5 km).
- For a round trip, plan for roughly 08h 44m 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 22m.
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 second most populous city in McLean County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Fog then Partly Sunny
Driving Route Map
The map below follows the saved road route between Naperville and Gillespie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Gillespie.
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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
8.3 mi · 12 min · County Road 1200 North
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10
Turn left onto Macoupin Street
5 m · 1 sec · Macoupin Street
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11
Arrive at your destination
0 m · 1 sec · Macoupin Street
Car Route Details
A richer read on the saved driving route between Naperville and Gillespie.
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 Patchy Fog then Partly Sunny near Gillespie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Gillespie?
The road trip is about 229.3 miles (369 km) and usually takes 04h 22m 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?
Bloomington is a useful midpoint, sitting about 114.6 miles from Naperville and 114.6 miles from Gillespie.
How much longer is the road route than the straight-line distance?
The direct path is about 203.5 miles (327.5 km), while the road route adds roughly 25.8 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 8:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.51 one way or $61.01 round trip. Estimated CO2 is about 71.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Naperville and Patchy Fog then Partly Sunny near Gillespie.
Stop Ideas Near Bloomington
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall - Town of Normal
City of Bloomington, Illinois
Bloomington Finance Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bloomington.
Uptown Station
Lincoln
Pontiac station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Naperville and Gillespie. Straight-line distance: 203.48 mi (327.47 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Gillespie
City in Illinois, United States
| Population | 3,048 |
| Coordinates | 39.1297700, -89.8195400 |
| Altitude | 200 |
| Country | United States |
End: Gillespie (-89.81954, 39.12977)
Estimated Travel Time
Distance: 369 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 38m |
| 40 mph (64.37 km/h) | 05h 43m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.51 | $61.01 |
| Mid-grade | $4.25 | $34.41 | $68.81 |
| Premium | $4.65 | $37.65 | $75.30 |
| Diesel | $5.30 | $42.91 | $85.82 |
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 · Jun 27, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.