How far is Chicago, IL from Harristown, IL?
The driving distance from Chicago, IL to Harristown, IL is about 186.6 miles (300.3 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 157 miles (252.6 km).
- For a round trip, plan for roughly 07h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 34m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Iroquois County, Illinois, United States of America
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 Chicago and Harristown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chicago and Harristown.
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1
Start on the route
943 ft · 1 min
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2
At the end of the road, turn right onto West Cermak Road
947 ft · 26 sec · West Cermak Road
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3
Turn left onto South Halsted Street
737 ft · 17 sec · South Halsted Street
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4
Turn right onto South Canalport Avenue
87 m · 6 sec · South Canalport Avenue
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5
Turn slight right
34 m · 5 sec
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6
Take the ramp straight toward I 90 East, I 94 East
139 m · 11 sec
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7
Keep slight left to continue on I 90, I 94 East: Indiana
929 ft · 23 sec
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8
Merge slight left onto Dan Ryan Expressway
1.2 km · 48 sec · Dan Ryan Expressway
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9
Keep slight left to continue on Dan Ryan Expressway (Express)
8.8 mi · 12 min · Dan Ryan Expressway (Express)
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10
Keep slight right to continue on I 57 South: Memphis
123.2 mi · 2 hr 17 min
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11
Take the exit slight right toward I 72 West: Decatur
2596 ft · 1 min
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12
Merge slight left
47.6 mi · 51 min
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13
Take the exit slight left toward US 36 East, US 51 South: Decatur, Pana
2607 ft · 1 min
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14
Keep slight right to continue on US 36 East: Decatur
2375 ft · 1 min
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15
Merge slight left
1.1 km · 46 sec
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16
Turn left onto West Harristown Boulevard
2.7 mi · 5 min · West Harristown Boulevard
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17
Turn right onto North Meridian Street
2665 ft · 1 min · North Meridian Street
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18
Turn right
692 ft · 31 sec
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19
Arrive at your destination
0 m · 1 sec · Snyder Street
Car Route Details
A richer read on the saved driving route between Chicago and Harristown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 57 South
Keep slight right to continue on I 57 South: Memphis
123 mi · 02h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Chicago and Mostly Sunny near Harristown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chicago to Harristown?
The road trip is about 186.6 miles (300.3 km) and usually takes 03h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Buckley is a useful midpoint, sitting about 93.3 miles from Chicago and 93.3 miles from Harristown.
How much longer is the road route than the straight-line distance?
The direct path is about 157 miles (252.6 km), while the road route adds roughly 29.6 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.81 one way or $49.63 round trip. Estimated CO2 is about 58.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Chicago and Mostly Sunny near Harristown.
Stop Ideas Near Buckley
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 Buckley.
Gilman
Rantoul
Illinois Terminal
Pontiac station
Flight Path Map
This map shows the direct air route between Chicago and Harristown. Straight-line distance: 156.96 mi (252.6 km).
#1 Chicago
The third most populous city in the United States and the center of the Chicago metropolitan area.
| Population | 2,677,643 |
| Coordinates | 41.850033, -87.6500523 |
| Altitude | 179 |
| Country | United States |
#2 Harristown
Village in the United States
| Population | 1,278 |
| Coordinates | 39.8539300, -89.0839700 |
| Altitude | 210 |
| Country | United States |
End: Harristown (-89.08397, 39.85393)
Estimated Travel Time
Distance: 300 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 13m |
| 40 mph (64.37 km/h) | 04h 39m |
| 50 mph (80.47 km/h) | 03h 43m |
| 60 mph (96.56 km/h) | 03h 06m |
| 70 mph (112.65 km/h) | 02h 39m |
| 80 mph (129 km/h) | 02h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.81 | $49.63 |
| Mid-grade | $4.25 | $27.98 | $55.97 |
| Premium | $4.65 | $30.62 | $61.25 |
| Diesel | $5.30 | $34.90 | $69.80 |
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.