How far is Somonauk, IL from Markham, IL?
The driving distance from Somonauk, IL to Markham, IL is about 70 miles (112.7 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 51 miles (82.1 km).
- For a round trip, plan for roughly 02h 40m 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 20m.
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
Rain
Driving Route Map
The map below follows the saved road route between Somonauk and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somonauk and Markham.
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1
Start on West Church Street
4 mi · 6 min · West Church Street
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2
Turn slight right onto Griswold Springs Road
3.4 mi · 7 min · Griswold Springs Road
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3
At the end of the road, turn right onto Fox River Drive
1.3 km · 1 min · Fox River Drive
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4
Turn left onto River Road
4.6 mi · 8 min · River Road
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5
Continue on River Street
972 ft · 29 sec · River Street
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6
At the end of the road, turn right onto North Bridge Street
1.1 km · 2 min · North Bridge Street
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7
Turn left onto East Schoolhouse Road
7.5 mi · 12 min · East Schoolhouse Road
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8
Continue on West Lockport Road
4.9 mi · 7 min · West Lockport Road
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9
Continue on West Lockport Street
1.5 mi · 4 min · West Lockport Street
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10
Continue on Lockport Road
1.3 mi · 2 min · Lockport Road
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11
Continue on Lockport Street
2159 ft · 41 sec · Lockport Street
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12
Continue on Airport Road
1.9 mi · 4 min · Airport Road
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13
Turn right onto Weber Road
1.6 km · 2 min · Weber Road
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14
Turn left onto Renwick Road
2.5 mi · 6 min · Renwick Road
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15
Continue on West 9th Street
2.9 mi · 5 min · West 9th Street
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16
Continue on West 159th Street
1.1 km · 1 min · West 159th Street
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17
Take the ramp right toward I 355 South: Southwest Suburbs
1514 ft · 39 sec
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18
Merge slight left onto Veterans Memorial Tollway
4.4 mi · 5 min · Veterans Memorial Tollway
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19
Keep slight left to continue on I 80 East: Indiana
1.3 mi · 3 min
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20
Merge slight left
13.7 mi · 17 min
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21
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
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22
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
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23
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
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24
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Somonauk and Markham.
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 East
Merge slight left
13.7 mi · 00h 17m
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.
Showers And Thunderstorms leaving Somonauk and Rain near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somonauk to Markham?
The road trip is about 70 miles (112.7 km) and usually takes 01h 20m 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 29.4 miles from Somonauk and 40.6 miles from Markham.
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 19 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 3:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.52 one way or $23.05 round trip. Estimated CO2 is about 22 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Somonauk and Rain near Markham.
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 Somonauk and Markham. Straight-line distance: 51.03 mi (82.12 km).
#1 Somonauk
City in Illinois, United States of America
| Population | 1,860 |
| Coordinates | 41.6336400, -88.6811900 |
| Altitude | 209 |
| Country | United States |
#2 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
End: 163rd Street (-87.694771, 41.593508)
Estimated Travel Time
Distance: 113 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 20m |
| 40 mph (64.37 km/h) | 01h 45m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $11.52 | $23.05 |
| Mid-grade | $5.29 | $13.07 | $26.14 |
| Premium | $5.84 | $14.42 | $28.83 |
| Diesel | $6.57 | $16.23 | $32.46 |
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