How far is Guilford, IL from Naperville, IL?
The driving distance from Guilford, IL to Naperville, IL is about 146.4 miles (235.6 km), with a travel time of about 02h 34m by car.
- The straight-line flight distance is about 118.7 miles (191 km).
- For a round trip, plan for roughly 05h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 34m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Partly Sunny
Driving Route Map
The map below follows the saved road route between Guilford and Naperville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Guilford and Naperville.
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1
Start on West Guilford Road
2046 ft · 56 sec · West Guilford Road
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2
Continue on West Rawlins Road
1.9 mi · 5 min · West Rawlins Road
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3
At the end of the road, turn right onto North Elizabeth Scales Mound Road
8.1 mi · 14 min · North Elizabeth Scales Mound Road
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4
At the end of the road, turn left onto Madison Street
1.2 km · 2 min · Madison Street
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5
Continue on West Diagonal Street
639 ft · 21 sec · West Diagonal Street
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6
Continue on North Main Street
2099 ft · 1 min · North Main Street
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7
Continue on U.S. Grant Memorial Highway
4.6 mi · 6 min · U.S. Grant Memorial Highway
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8
Continue on East Woodbine Street
2853 ft · 1 min · East Woodbine Street
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9
Continue on U.S. Grant Memorial Highway
6.4 mi · 9 min · U.S. Grant Memorial Highway
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10
Continue on West North Avenue
2.1 mi · 4 min · West North Avenue
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11
Continue on U.S. Grant Memorial Highway
33.2 mi · 42 min · U.S. Grant Memorial Highway
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12
Continue on West State Road
9.8 mi · 11 min · West State Road
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13
Continue on U.S. Grant Memorial Highway
11.3 mi · 13 min · U.S. Grant Memorial Highway
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14
Take the exit slight right
1.2 km · 2 min
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15
Merge slight right
21.5 mi · 23 min
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16
Take the exit slight right toward I 88 East Toll: Chicago
2318 ft · 1 min
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17
Merge slight left onto Ronald Reagan Memorial Tollway
46.3 mi · 51 min · Ronald Reagan Memorial Tollway
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18
Take the exit slight right toward Winfield Road
2012 ft · 49 sec
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19
Turn right onto Winfield Road
936 ft · 26 sec · Winfield Road
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20
Turn left onto West Diehl Road
1.1 km · 1 min · West Diehl Road
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21
Turn right onto Mill Street
1.1 mi · 2 min · Mill Street
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22
Turn left onto West Ogden Avenue
1972 ft · 49 sec · West Ogden Avenue
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23
Turn left onto North Washington Street
15 m · 1 sec · North Washington Street
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24
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between Guilford and Naperville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Ronald Reagan Memorial Tollway
Merge slight left onto Ronald Reagan Memorial Tollway
46.3 mi · 00h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny then Chance Showers And Thunderstorms leaving Guilford and Partly Sunny near Naperville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Guilford to Naperville?
The road trip is about 146.4 miles (235.6 km) and usually takes 02h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
New Milford is a useful midpoint, sitting about 75.6 miles from Guilford and 70.8 miles from Naperville.
How much longer is the road route than the straight-line distance?
The direct path is about 118.7 miles (191 km), while the road route adds roughly 27.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.46 one way or $38.92 round trip. Estimated CO2 is about 45.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Guilford and Partly Sunny near Naperville.
Stop Ideas Near New Milford
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 New Milford.
Rockford, Illinois
South Beloit, Illinois
Janesville, Wisconsin
Mendota station
Flight Path Map
This map shows the direct air route between Guilford and Naperville. Straight-line distance: 118.69 mi (191.01 km).
#1 Guilford
Unincorporated community in Illinois, United States
| Population | 1,144 |
| Coordinates | 42.4175100, -90.3004100 |
| Altitude | 230 |
| Country | United States |
#2 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
End: North Washington Street (-88.147302, 41.785837)
Estimated Travel Time
Distance: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 52m |
| 40 mph (64.37 km/h) | 03h 39m |
| 50 mph (80.47 km/h) | 02h 55m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.46 | $38.92 |
| Mid-grade | $4.25 | $21.95 | $43.89 |
| Premium | $4.65 | $24.01 | $48.03 |
| Diesel | $5.30 | $27.37 | $54.74 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.