How far is Saint Joseph, IN from Merrillville, IN?
The driving distance from Saint Joseph, IN to Merrillville, IN is about 247.1 miles (397.6 km), with a travel time of about 04h 42m by car.
- The straight-line flight distance is about 227.8 miles (366.6 km).
- For a round trip, plan for roughly 09h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 42m.
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.
Unincorporated community in Boone County, Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Chance Showers And Thunderstorms
Sunny
Driving Route Map
The map below follows the saved road route between Saint Joseph and Merrillville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Joseph and Merrillville.
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1
Start on Grant Line Road
71 m · 5 sec · Grant Line Road
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2
Continue on State Road 111
1.8 mi · 3 min · State Road 111
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3
Turn right onto State Road 60
925 ft · 24 sec · State Road 60
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4
Turn left onto Perry Crossing Road
2.7 mi · 7 min · Perry Crossing Road
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5
Turn left
2.9 mi · 4 min
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6
Turn left onto Memphis-Blue Lick Road
3044 ft · 1 min · Memphis-Blue Lick Road
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7
Take the ramp right
1364 ft · 33 sec
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8
Merge slight left
95.8 mi · 1 hr 46 min
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9
Keep slight right
29.8 mi · 36 min
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10
Take the exit slight right toward US 52 West
1281 ft · 16 sec
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11
Keep slight left
786 ft · 10 sec
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12
Merge slight left
110.4 mi · 1 hr 59 min
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13
Take the exit slight right toward US 30: Merrillville, Hobart, Valparaiso
1618 ft · 40 sec
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14
Keep slight left to continue on US 30: Merrillville, Hobart, Valparaiso, VA Clinic
138 m · 15 sec
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15
Turn left onto US 30: Merrillville, Hobart, Valparaiso
33 m · 4 sec
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16
Turn left onto East 81st Avenue
1.1 km · 1 min · East 81st Avenue
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17
Turn right onto Broadway
1.4 km · 2 min · Broadway
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18
Turn right onto Indian Trail
1156 ft · 51 sec · Indian Trail
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19
Arrive at your destination
0 m · 1 sec · Indian Trail
Car Route Details
A richer read on the saved driving route between Saint Joseph and Merrillville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 52 West
Merge slight left
110 mi · 01h 59m
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.
Chance Rain Showers then Chance Showers And Thunderstorms leaving Saint Joseph and Sunny near Merrillville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Joseph to Merrillville?
The road trip is about 247.1 miles (397.6 km) and usually takes 04h 42m 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?
Fayette is a useful midpoint, sitting about 123.6 miles from Saint Joseph and 123.5 miles from Merrillville.
How much longer is the road route than the straight-line distance?
The direct path is about 227.8 miles (366.6 km), while the road route adds roughly 19.3 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 EDT. If you want a more comfortable same-day return, try to leave by 7:36 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.88 one way or $65.77 round trip. Estimated CO2 is about 77.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Saint Joseph and Merrillville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Chance Showers And Thunderstorms around Saint Joseph and Sunny near Merrillville.
Stop Ideas Near Fayette
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Avon Town Hall Park
Carmel City Hall
Carmel Gazebo
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fayette.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Lafayette station
Flight Path Map
This map shows the direct air route between Saint Joseph and Merrillville. Straight-line distance: 227.78 mi (366.58 km).
#1 Saint Joseph
The most populous city in St.
| Population | 76,995 |
| Coordinates | 38.4000700, -85.8083000 |
| Altitude | 172 |
| Country | United States |
#2 Merrillville
Town in Ross Township, Lake County, Indiana
| Population | 34,916 |
| Coordinates | 41.4828100, -87.3328100 |
| Altitude | 200 |
| Country | United States |
End: Merrillville (-87.33281, 41.48281)
Estimated Travel Time
Distance: 398 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 13m |
| 40 mph (64.37 km/h) | 06h 10m |
| 50 mph (80.47 km/h) | 04h 56m |
| 60 mph (96.56 km/h) | 04h 07m |
| 70 mph (112.65 km/h) | 03h 31m |
| 80 mph (129 km/h) | 03h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.88 | $65.77 |
| Mid-grade | $4.25 | $37.09 | $74.17 |
| Premium | $4.65 | $40.58 | $81.17 |
| Diesel | $5.30 | $46.25 | $92.50 |
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 · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.