How far is Hammond, IN from Decatur, IN?
The driving distance from Hammond, IN to Decatur, IN is about 161.6 miles (260 km), with a travel time of about 03h 35m by car.
- The straight-line flight distance is about 143.4 miles (230.8 km).
- For a round trip, plan for roughly 07h 11m 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 35m.
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.
Slight Chance Rain Showers then Sunny
Driving Route Map
The map below follows the saved road route between Hammond and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hammond and Decatur.
-
1
Start on Columbia Avenue
830 ft · 30 sec · Columbia Avenue
-
2
Turn left onto 173rd Street
1 km · 2 min · 173rd Street
-
3
Turn right onto Southeastern Avenue
1667 ft · 46 sec · Southeastern Avenue
-
4
Turn left onto 175th Street
821 ft · 32 sec · 175th Street
-
5
Turn right onto Indianapolis Boulevard
1325 ft · 22 sec · Indianapolis Boulevard
-
6
Take the ramp straight toward I 80 East, I 94 East, US 6 East: Detroit
2284 ft · 56 sec
-
7
Merge slight left onto Borman Expressway
8.2 mi · 11 min · Borman Expressway
-
8
Take the exit slight right toward I 65 South: Indianapolis
2002 ft · 34 sec
-
9
Keep slight left
1.3 km · 2 min
-
10
Merge slight left onto Casimir Pulaski Memorial Highway
5.5 mi · 7 min · Casimir Pulaski Memorial Highway
-
11
Take the exit slight right toward US 30: Merrillville, Valparaiso, Schererville
2381 ft · 58 sec
-
12
Keep slight left to continue on Valparaiso, Valparaiso University
75 m · 8 sec
-
13
Turn left onto East 81st Avenue
5.5 mi · 8 min · East 81st Avenue
-
14
Continue on US Route 30
6.6 mi · 9 min · US Route 30
-
15
Continue on West Morthland Drive
105.6 mi · 2 hr 19 min · West Morthland Drive
-
16
Continue straight
2056 ft · 31 sec
-
17
Turn left onto West Coliseum Boulevard
1.7 mi · 2 min · West Coliseum Boulevard
-
18
Keep slight right to continue on Lima Road
1.1 mi · 1 min · Lima Road
-
19
Continue on North Clinton Street
1.2 mi · 1 min · North Clinton Street
-
20
Continue on N Clinton Street
3 mi · 4 min · N Clinton Street
-
21
Merge slight left onto Lafayette Street
18.9 mi · 23 min · Lafayette Street
-
22
Turn left onto West Monroe Street
2422 ft · 41 sec · West Monroe Street
-
23
Arrive at your destination
0 m · 1 sec · West Monroe Street
Car Route Details
A richer read on the saved driving route between Hammond and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
West Morthland Drive
Continue on West Morthland Drive
106 mi · 02h 19m
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 Hammond and Slight Chance Rain Showers then Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hammond to Decatur?
The road trip is about 161.6 miles (260 km) and usually takes 03h 35m 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 80.7 miles from Hammond and 80.9 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 143.4 miles (230.8 km), while the road route adds roughly 18.2 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 9:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.49 one way or $42.99 round trip. Estimated CO2 is about 50.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Hammond and Decatur, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hammond and Slight Chance Rain Showers then Sunny 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 Hammond and Decatur. Straight-line distance: 143.39 mi (230.77 km).
#1 Hammond
The most populous city in Lake County, Indiana.
| Population | 75,342 |
| Coordinates | 41.5833700, -87.5000400 |
| Altitude | 183 |
| Country | United States |
#2 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
End: Decatur (-84.92913, 40.8306)
Estimated Travel Time
Distance: 260 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 23m |
| 40 mph (64.37 km/h) | 04h 02m |
| 50 mph (80.47 km/h) | 03h 13m |
| 60 mph (96.56 km/h) | 02h 41m |
| 70 mph (112.65 km/h) | 02h 18m |
| 80 mph (129 km/h) | 02h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.49 | $42.99 |
| Mid-grade | $4.25 | $24.24 | $48.48 |
| Premium | $4.65 | $26.53 | $53.06 |
| Diesel | $5.30 | $30.23 | $60.47 |
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 · 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.