How far is Decatur, IL from Zion, IL?
The driving distance from Decatur, IL to Zion, IL is about 219.7 miles (353.6 km), with a travel time of about 04h 27m by car.
- The straight-line flight distance is about 189.3 miles (304.6 km).
- For a round trip, plan for roughly 08h 54m 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 04h 27m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Decatur and Zion.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Zion.
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1
Start on East Wood Street
155 m · 23 sec · East Wood Street
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2
Turn left onto South Franklin Street
2129 ft · 46 sec · South Franklin Street
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3
Continue on North Water Street
27.4 mi · 37 min · North Water Street
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4
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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5
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
122.1 mi · 2 hr 16 min
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6
Take the exit slight right toward I 294 Tollway North: Wisconsin
1.6 mi · 3 min
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7
Keep slight left to continue on I 294 North: Wisconsin
1694 ft · 41 sec
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8
Merge slight left onto Tri-State Tollway
4.8 mi · 6 min · Tri-State Tollway
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9
Keep slight left to continue on Tri-State Tollway
34.4 mi · 42 min · Tri-State Tollway
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10
Take the exit slight right toward IL 137: Buckley Road
1522 ft · 39 sec
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11
Turn straight onto Buckley Road
2.9 mi · 5 min · Buckley Road
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12
Turn left onto Bobby E. Thompson Expressway
1.4 km · 60 sec · Bobby E. Thompson Expressway
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13
Continue on Sheridan Road
2.4 mi · 3 min · Sheridan Road
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14
Continue on Melvin Amstutz Highway
2.3 mi · 3 min · Melvin Amstutz Highway
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15
Turn left onto West Greenwood Avenue
1713 ft · 32 sec · West Greenwood Avenue
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16
Turn right onto North Sheridan Road
4.3 mi · 9 min · North Sheridan Road
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17
Turn left onto 27th Street
1975 ft · 54 sec · 27th Street
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18
Arrive at your destination
0 m · 1 sec · 27th Street
Car Route Details
A richer read on the saved driving route between Decatur and Zion.
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 74 West
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
122 mi · 02h 16m
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 Decatur and Showers And Thunderstorms Likely near Zion.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Zion?
The road trip is about 219.7 miles (353.6 km) and usually takes 04h 27m 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?
Dwight is a useful midpoint, sitting about 109.9 miles from Decatur and 109.8 miles from Zion.
How much longer is the road route than the straight-line distance?
The direct path is about 189.3 miles (304.6 km), while the road route adds roughly 30.4 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 8:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.23 one way or $58.45 round trip. Estimated CO2 is about 68.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Decatur and Showers And Thunderstorms Likely near Zion.
Stop Ideas Near Dwight
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 Dwight.
Dwight station
Pontiac station
Kankakee
Gilman
Flight Path Map
This map shows the direct air route between Decatur and Zion. Straight-line distance: 189.27 mi (304.6 km).
#1 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
#2 Zion
City in Lake County, Illinois, US
| Population | 23,321 |
| Coordinates | 42.4461300, -87.8328500 |
| Altitude | 198 |
| Country | United States |
End: Zion (-87.83285, 42.44613)
Estimated Travel Time
Distance: 354 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 19m |
| 40 mph (64.37 km/h) | 05h 29m |
| 50 mph (80.47 km/h) | 04h 23m |
| 60 mph (96.56 km/h) | 03h 39m |
| 70 mph (112.65 km/h) | 03h 08m |
| 80 mph (129 km/h) | 02h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $29.23 | $58.45 |
| Mid-grade | $4.25 | $32.96 | $65.92 |
| Premium | $4.65 | $36.07 | $72.14 |
| Diesel | $5.30 | $41.11 | $82.21 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.