How far is Somonauk, IL from Joliet, IL?
The driving distance from Somonauk, IL to Joliet, IL is about 35.9 miles (57.7 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 31.8 miles (51.2 km).
- For a round trip, plan for roughly 02h 10m 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 01h 05m.
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.
City in and county seat of Kendall County, Illinois, United States
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 Somonauk and Joliet.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somonauk and Joliet.
-
1
Start on West Church Street
4 mi · 6 min · West Church Street
-
2
Turn slight right onto Griswold Springs Road
3.4 mi · 7 min · Griswold Springs Road
-
3
At the end of the road, turn right onto Fox River Drive
1.3 km · 1 min · Fox River Drive
-
4
Turn left onto River Road
4.6 mi · 8 min · River Road
-
5
Continue on River Street
972 ft · 29 sec · River Street
-
6
At the end of the road, turn right onto North Bridge Street
1.1 km · 2 min · North Bridge Street
-
7
Turn left onto East Schoolhouse Road
7.5 mi · 12 min · East Schoolhouse Road
-
8
Continue on West Lockport Road
4.9 mi · 7 min · West Lockport Road
-
9
Continue on West Lockport Street
1.6 km · 2 min · West Lockport Street
-
10
Turn right onto North Division Street
1055 ft · 30 sec · North Division Street
-
11
Turn left onto North Joliet Road
2.5 mi · 5 min · North Joliet Road
-
12
Continue on Plainfield Road
5.2 mi · 11 min · Plainfield Road
-
13
Continue on North Center Street
2358 ft · 1 min · North Center Street
-
14
Turn left onto West Jefferson Street
1945 ft · 1 min · West Jefferson Street
-
15
Turn left onto Joliet Street
53 m · 7 sec · Joliet Street
-
16
Turn right
83 m · 20 sec
-
17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Somonauk and Joliet.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
East Schoolhouse Road
Turn left onto East Schoolhouse Road
7.47 mi · 00h 12m
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.
Mostly Sunny leaving Somonauk and Mostly Sunny near Joliet.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somonauk to Joliet?
The road trip is about 35.9 miles (57.7 km) and usually takes 01h 05m 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?
Yorkville is a useful midpoint, sitting about 17.9 miles from Somonauk and 18 miles from Joliet.
How much longer is the road route than the straight-line distance?
The direct path is about 31.8 miles (51.2 km), while the road route adds roughly 4.1 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 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.79 one way or $9.58 round trip. Estimated CO2 is about 11.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Somonauk and Mostly Sunny near Joliet.
Stop Ideas Near Yorkville
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 Yorkville.
Plano
Naperville
Joliet Transportation Center
La Grange Road
Flight Path Map
This map shows the direct air route between Somonauk and Joliet. Straight-line distance: 31.79 mi (51.16 km).
#1 Somonauk
City in Illinois, United States of America
| Population | 1,860 |
| Coordinates | 41.6336400, -88.6811900 |
| Altitude | 209 |
| Country | United States |
#2 Joliet
The second most populous city in Will County, Illinois.
| Population | 85,583 |
| Coordinates | 41.5251900, -88.0834000 |
| Altitude | 165 |
| Country | United States |
End: Joliet (-88.0834, 41.52519)
Estimated Travel Time
Distance: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.79 | $9.58 |
| Mid-grade | $4.25 | $5.40 | $10.80 |
| Premium | $4.65 | $5.91 | $11.82 |
| Diesel | $5.30 | $6.74 | $13.47 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.