How far is Markham, IL from Somonauk, IL?
The driving distance from Markham, IL to Somonauk, IL is about 58.7 miles (94.4 km), with a travel time of about 01h 35m by car.
- The straight-line flight distance is about 51 miles (82.1 km).
- For a round trip, plan for roughly 03h 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 35m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Markham and Somonauk.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Somonauk.
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1
Start on 163rd Street
20 m · 7 sec · 163rd Street
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2
Turn right onto Kedzie Avenue
2913 ft · 1 min · Kedzie Avenue
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3
Take the ramp slight right toward I 80 West
2482 ft · 1 min
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4
Merge slight left
13.6 mi · 16 min
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5
Take the exit slight right toward I 355 Toll North: Rockford
1.1 km · 1 min
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6
Continue on Veterans Memorial Tollway
4.5 mi · 5 min · Veterans Memorial Tollway
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7
Take the exit slight right toward IL 7: 159th Street
1263 ft · 33 sec
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8
Turn straight onto West 159th Street
1.4 km · 2 min · West 159th Street
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9
Continue on East 9th Street
2.9 mi · 5 min · East 9th Street
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10
Continue on Renwick Road
2.5 mi · 6 min · Renwick Road
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11
Turn right onto Weber Road
1.6 km · 2 min · Weber Road
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12
Turn left onto Airport Road
1.9 mi · 4 min · Airport Road
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13
Continue on Lockport Street
2159 ft · 41 sec · Lockport Street
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14
Continue on Lockport Road
1.3 mi · 2 min · Lockport Road
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15
Continue on West Lockport Street
1.5 mi · 4 min · West Lockport Street
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16
Continue on West Lockport Road
4.9 mi · 7 min · West Lockport Road
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17
Continue on East Schoolhouse Road
7.4 mi · 12 min · East Schoolhouse Road
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18
Turn right onto South Bridge Street
1.2 km · 2 min · South Bridge Street
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19
Continue on North Bridge Street
44 m · 5 sec · North Bridge Street
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20
Turn right onto River Street
972 ft · 27 sec · River Street
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21
Continue on River Road
4.6 mi · 8 min · River Road
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22
At the end of the road, turn right onto Fox River Drive
1.3 km · 1 min · Fox River Drive
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23
Turn left onto Griswold Springs Road
3.1 mi · 6 min · Griswold Springs Road
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24
Turn right onto Duvick Avenue
634 ft · 35 sec · Duvick Avenue
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25
Turn left
4.3 mi · 7 min
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26
Arrive at your destination
0 m · 1 sec · West Church Street
Car Route Details
A richer read on the saved driving route between Markham and Somonauk.
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.
I 80 West
Merge slight left
13.6 mi · 00h 16m
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 leaving Markham and Showers And Thunderstorms near Somonauk.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Somonauk?
The road trip is about 58.7 miles (94.4 km) and usually takes 01h 35m 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?
Crystal Lawns is a useful midpoint, sitting about 29.3 miles from Markham and 29.4 miles from Somonauk.
How much longer is the road route than the straight-line distance?
The direct path is about 51 miles (82.1 km), while the road route adds roughly 7.7 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 3:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.66 one way or $19.31 round trip. Estimated CO2 is about 18.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain around Markham and Showers And Thunderstorms near Somonauk.
Stop Ideas Near Crystal Lawns
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 Crystal Lawns.
Joliet Transportation Center
Naperville
Plano
La Grange Road
Flight Path Map
This map shows the direct air route between Markham and Somonauk. Straight-line distance: 51.03 mi (82.12 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Somonauk
City in Illinois, United States of America
| Population | 1,860 |
| Coordinates | 41.6336400, -88.6811900 |
| Altitude | 209 |
| Country | United States |
End: Somonauk (-88.68119, 41.63364)
Estimated Travel Time
Distance: 94 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 57m |
| 40 mph (64.37 km/h) | 01h 27m |
| 50 mph (80.47 km/h) | 01h 10m |
| 60 mph (96.56 km/h) | 00h 58m |
| 70 mph (112.65 km/h) | 00h 50m |
| 80 mph (129 km/h) | 00h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $9.66 | $19.31 |
| Mid-grade | $5.29 | $10.95 | $21.91 |
| Premium | $5.84 | $12.08 | $24.17 |
| Diesel | $6.57 | $13.60 | $27.20 |
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 · Oct 15, 2026