How far is East Chicago, IN from Decatur, IN?
The driving distance from East Chicago, IN to Decatur, IN is about 174.2 miles (280.4 km), with a travel time of about 03h 15m by car.
- The straight-line flight distance is about 142.6 miles (229.5 km).
- For a round trip, plan for roughly 06h 30m 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 15m.
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 Marshall County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between East Chicago and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between East Chicago and Decatur.
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1
Start on East Columbus Drive
1.2 mi · 2 min · East Columbus Drive
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2
Enter the roundabout and take exit 1 toward Cline Avenue
7 m · 1 sec · Cline Avenue
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3
Exit the roundabout onto Cline Avenue
747 ft · 13 sec · Cline Avenue
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4
Take the ramp slight left toward SR 912 South: Cline Avenue
1069 ft · 26 sec
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5
Merge slight left onto Cline Avenue
1798 ft · 24 sec · Cline Avenue
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6
Take the exit slight right toward I 90 Toll Road: Gary Avenue
845 ft · 21 sec
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7
Turn straight onto Cline Avenue
2242 ft · 45 sec · Cline Avenue
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8
Keep slight left
73 m · 7 sec
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9
Turn left onto Gary Road
590 ft · 16 sec · Gary Road
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10
Take the ramp straight toward I 90
2772 ft · 1 min
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11
Keep slight left to continue on I 90 East
1.3 km · 2 min
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12
Merge slight left onto Indiana Toll Road
20 mi · 23 min · Indiana Toll Road
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13
Take the exit slight right toward SR 49: Chesterton, Valparaiso
1.2 km · 2 min
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14
Turn right
9 mi · 12 min
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15
Take the exit slight right toward US 30 East: Plymouth
1548 ft · 39 sec
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16
Merge slight left onto East Morthland Drive
101.8 mi · 2 hr 13 min · East Morthland Drive
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17
Continue straight
2056 ft · 31 sec
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18
Turn left onto West Coliseum Boulevard
1.7 mi · 2 min · West Coliseum Boulevard
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19
Keep slight right to continue on Lima Road
1.1 mi · 1 min · Lima Road
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20
Continue on North Clinton Street
1.2 mi · 1 min · North Clinton Street
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21
Continue on N Clinton Street
3 mi · 4 min · N Clinton Street
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22
Merge slight left onto Lafayette Street
18.9 mi · 23 min · Lafayette Street
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23
Turn left onto West Monroe Street
2422 ft · 41 sec · West Monroe Street
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24
Arrive at your destination
0 m · 1 sec · West Monroe Street
Car Route Details
A richer read on the saved driving route between East Chicago and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Morthland Drive
Merge slight left onto East Morthland Drive
102 mi · 02h 13m
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.
Rain Showers leaving East Chicago and Slight Chance Rain Showers near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from East Chicago to Decatur?
The road trip is about 174.2 miles (280.4 km) and usually takes 03h 15m 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?
Bourbon is a useful midpoint, sitting about 81 miles from East Chicago and 93.3 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 142.6 miles (229.5 km), while the road route adds roughly 31.6 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 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.75 one way or $47.50 round trip. Estimated CO2 is about 54.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between East Chicago and Decatur, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around East Chicago and Slight Chance Rain Showers near Decatur.
Stop Ideas Near Bourbon
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 Bourbon.
Elkhart station
South Bend station
Niles station
New Buffalo, Michigan
Flight Path Map
This map shows the direct air route between East Chicago and Decatur. Straight-line distance: 142.62 mi (229.52 km).
#1 East Chicago
City in Lake County, Indiana, United States
| Population | 27,742 |
| Coordinates | 41.6392000, -87.4547600 |
| Altitude | 180 |
| Country | United States |
#2 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
End: West Monroe Street (-84.929141, 40.83064)
Estimated Travel Time
Distance: 280 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 48m |
| 40 mph (64.37 km/h) | 04h 21m |
| 50 mph (80.47 km/h) | 03h 29m |
| 60 mph (96.56 km/h) | 02h 54m |
| 70 mph (112.65 km/h) | 02h 29m |
| 80 mph (129 km/h) | 02h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $23.75 | $47.50 |
| Mid-grade | $4.46 | $27.40 | $54.80 |
| Premium | $4.99 | $30.68 | $61.35 |
| Diesel | $6.62 | $40.72 | $81.44 |
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 Indiana · Oct 15, 2026