How far is Naperville, IL from Mahomet, IL?
The driving distance from Naperville, IL to Mahomet, IL is about 118.9 miles (191.4 km), with a travel time of about 02h 49m by car.
- The straight-line flight distance is about 110.7 miles (178.2 km).
- For a round trip, plan for roughly 05h 39m 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 49m.
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.
Village in Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Naperville and Mahomet.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Mahomet.
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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
42.9 mi · 48 min
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6
Take the exit slight right toward IL 47: Morris, Dwight
1652 ft · 31 sec
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7
Turn left
1.6 mi · 3 min
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8
Turn left onto North Union Street
1.3 mi · 2 min · North Union Street
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9
Continue on North 2700 East Road
22.1 mi · 35 min · North 2700 East Road
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10
Continue on North Center Street
1.2 mi · 3 min · North Center Street
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11
Continue on North 2700 East Road
6.7 mi · 9 min · North 2700 East Road
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12
Continue on North 2750 East Road
1.2 km · 1 min · North 2750 East Road
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13
Continue on North 2775 East Road
1.1 mi · 1 min · North 2775 East Road
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14
Continue on North 2790 East Road
2355 ft · 37 sec · North 2790 East Road
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15
Continue on North 385 East Road
2078 ft · 32 sec · North 385 East Road
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16
Continue on North 390 East Road
10.8 mi · 16 min · North 390 East Road
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17
Turn left onto West 1st Street
2642 ft · 1 min · West 1st Street
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18
Turn right onto South Sangamon Avenue
2297 ft · 47 sec · South Sangamon Avenue
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19
Continue on North 450E Road
117 m · 7 sec · North 450E Road
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20
Continue on North 450 East Road
3.5 mi · 5 min · North 450 East Road
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21
Continue on County Road 450 East
2.1 mi · 3 min · County Road 450 East
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22
Continue on County Road 400 East
7.5 mi · 10 min · County Road 400 East
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23
Continue on County Road 350 East
4.5 mi · 7 min · County Road 350 East
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24
Continue on County Road 400 East
1157 ft · 28 sec · County Road 400 East
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25
Continue on North Lombard Street
1785 ft · 51 sec · North Lombard Street
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26
Turn right onto East Main Street
1270 ft · 56 sec · East Main Street
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27
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Naperville and Mahomet.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
I 55 South
Merge slight left
42.9 mi · 00h 48m
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.
Rain Showers Likely leaving Naperville and Showers And Thunderstorms near Mahomet.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Mahomet?
The road trip is about 118.9 miles (191.4 km) and usually takes 02h 49m 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?
Dwight is a useful midpoint, sitting about 59.5 miles from Naperville and 59.4 miles from Mahomet.
How much longer is the road route than the straight-line distance?
The direct path is about 110.7 miles (178.2 km), while the road route adds roughly 8.2 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 12:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.84 one way or $31.68 round trip. Estimated CO2 is about 37.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Naperville and Showers And Thunderstorms near Mahomet.
Stop Ideas Near Dwight
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 Dwight.
Dwight station
Pontiac station
Kankakee
Gilman
Flight Path Map
This map shows the direct air route between Naperville and Mahomet. Straight-line distance: 110.71 mi (178.17 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Mahomet
Village in Illinois, United States
| Population | 8,968 |
| Coordinates | 40.1953100, -88.4042200 |
| Altitude | 223 |
| Country | United States |
End: Mahomet (-88.40422, 40.19531)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 57m |
| 40 mph (64.37 km/h) | 02h 58m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.84 | $31.68 |
| Mid-grade | $4.25 | $17.86 | $35.73 |
| Premium | $4.65 | $19.55 | $39.09 |
| Diesel | $5.30 | $22.28 | $44.55 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.