How far is Des Plaines, IL from Seneca, IL?
The driving distance from Des Plaines, IL to Seneca, IL is about 74.9 miles (120.5 km), with a travel time of about 01h 35m by car.
- The straight-line flight distance is about 62.4 miles (100.4 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.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Des Plaines and Seneca.
Turn-by-Turn Driving Directions
Step-by-step road directions between Des Plaines and Seneca.
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1
Start on Henry Avenue
557 ft · 25 sec · Henry Avenue
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2
Turn right onto South Des Plaines River Road
1.8 mi · 3 min · South Des Plaines River Road
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3
Take the ramp slight right toward I 294 South: Indiana
2265 ft · 55 sec
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4
Merge slight left onto Tri-State Tollway
11.5 mi · 15 min · Tri-State Tollway
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5
Keep slight left to continue on Tri-State Tollway
4.8 mi · 6 min · Tri-State Tollway
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6
Keep slight right to continue on Tri-State Tollway
1.2 mi · 1 min · Tri-State Tollway
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7
Take the exit slight right toward I 55: Chicago, St. Louis
1 km · 1 min
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8
Keep slight right to continue on I 55 South: Saint Louis
2295 ft · 56 sec
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9
Merge slight left onto Adlai Stevenson Expressway
25.9 mi · 32 min · Adlai Stevenson Expressway
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10
Take the exit slight right toward I 80 West: Iowa
1.3 km · 1 min
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11
Merge slight left
20.5 mi · 22 min
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12
Take the exit slight right toward Seneca
2136 ft · 52 sec
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13
Continue on Seneca Road
3035 ft · 1 min · Seneca Road
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14
Continue straight
5.1 mi · 8 min
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15
Turn left onto North Main Street
1.1 km · 1 min · North Main Street
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16
Turn right onto West Union Street
2 m · 1 sec · West Union Street
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17
Arrive at your destination
0 m · 1 sec · West Union Street
Car Route Details
A richer read on the saved driving route between Des Plaines and Seneca.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
25.9 mi · 00h 32m
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 Des Plaines and Mostly Sunny near Seneca.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Des Plaines to Seneca?
The road trip is about 74.9 miles (120.5 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 37.4 miles from Des Plaines and 37.5 miles from Seneca.
How much longer is the road route than the straight-line distance?
The direct path is about 62.4 miles (100.4 km), while the road route adds roughly 12.5 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 $9.96 one way or $19.91 round trip. Estimated CO2 is about 23.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Des Plaines and Mostly Sunny near Seneca.
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 Des Plaines and Seneca. Straight-line distance: 62.41 mi (100.44 km).
#1 Des Plaines
The most populous city in Cook County, Illinois.
| Population | 58,179 |
| Coordinates | 42.0333600, -87.8834000 |
| Altitude | 193 |
| Country | United States |
#2 Seneca
Village in Illinois
| Population | 2,179 |
| Coordinates | 41.3111400, -88.6097900 |
| Altitude | 155 |
| Country | United States |
End: Seneca (-88.60979, 41.31114)
Estimated Travel Time
Distance: 121 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 29m |
| 40 mph (64.37 km/h) | 01h 52m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 04m |
| 80 mph (129 km/h) | 00h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.96 | $19.91 |
| Mid-grade | $4.25 | $11.23 | $22.46 |
| Premium | $4.65 | $12.29 | $24.57 |
| Diesel | $5.30 | $14.00 | $28.01 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.