How far is Hammond, IN from Saint Marys, IN?
The driving distance from Hammond, IN to Saint Marys, IN is about 274 miles (440.9 km), with a travel time of about 05h 20m by car.
- The straight-line flight distance is about 239.2 miles (385 km).
- For a round trip, plan for roughly 10h 40m 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 05h 20m.
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.
Town in Indiana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Hammond and Saint Marys.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hammond and Saint Marys.
-
1
Start on Columbia Avenue
830 ft · 30 sec · Columbia Avenue
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2
Turn left onto 173rd Street
1 km · 2 min · 173rd Street
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3
Turn right onto Southeastern Avenue
1667 ft · 46 sec · Southeastern Avenue
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4
Turn left onto 175th Street
821 ft · 32 sec · 175th Street
-
5
Turn right onto Indianapolis Boulevard
1325 ft · 22 sec · Indianapolis Boulevard
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6
Take the ramp straight toward I 80 East, I 94 East, US 6 East: Detroit
2284 ft · 56 sec
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7
Merge slight left onto Borman Expressway
8.2 mi · 11 min · Borman Expressway
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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
129.3 mi · 2 hr 20 min · Casimir Pulaski Memorial Highway
-
11
Keep slight left
17.1 mi · 22 min
-
12
Continue on I 70 East: Dayton
1.9 mi · 3 min
-
13
Keep slight left
104.3 mi · 1 hr 54 min
-
14
Take the exit slight right toward I 265 West, SR 62 West: New Albany
1.2 km · 1 min
-
15
Merge slight left
5.1 mi · 6 min
-
16
Take the exit slight right toward State Street
2492 ft · 1 min
-
17
Turn right onto Paoli Pike
1.4 mi · 3 min · Paoli Pike
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18
Turn right onto Hilltop Road
2382 ft · 2 min · Hilltop Road
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19
Turn left
1825 ft · 2 min
-
20
At the end of the road, turn left onto Spickert Knob Road
896 ft · 41 sec · Spickert Knob Road
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21
Turn right onto Jones Lane
1427 ft · 1 min · Jones Lane
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22
Continue on Saint Marys Road
1.2 mi · 5 min · Saint Marys Road
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23
Arrive at your destination
0 m · 1 sec · Saint Marys Road
Car Route Details
A richer read on the saved driving route between Hammond and Saint Marys.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
129 mi · 02h 20m
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 Hammond and Showers And Thunderstorms Likely near Saint Marys.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hammond to Saint Marys?
The road trip is about 274 miles (440.9 km) and usually takes 05h 20m 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?
Whitestown is a useful midpoint, sitting about 137.1 miles from Hammond and 136.9 miles from Saint Marys.
How much longer is the road route than the straight-line distance?
The direct path is about 239.2 miles (385 km), while the road route adds roughly 34.8 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 6:20 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.47 one way or $72.93 round trip. Estimated CO2 is about 85.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Hammond and Saint Marys, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Hammond and Showers And Thunderstorms Likely near Saint Marys.
Stop Ideas Near Whitestown
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 Whitestown.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Lafayette station
Flight Path Map
This map shows the direct air route between Hammond and Saint Marys. Straight-line distance: 239.21 mi (384.97 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 Saint Marys
Unincorporated community in Floyd County, Minnesota
| Population | 1,370 |
| Coordinates | 38.3559000, -85.8646900 |
| Altitude | 252 |
| Country | United States |
End: Saint Marys (-85.86469, 38.3559)
Estimated Travel Time
Distance: 441 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 07m |
| 40 mph (64.37 km/h) | 06h 50m |
| 50 mph (80.47 km/h) | 05h 28m |
| 60 mph (96.56 km/h) | 04h 33m |
| 70 mph (112.65 km/h) | 03h 54m |
| 80 mph (129 km/h) | 03h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.47 | $72.93 |
| Mid-grade | $4.25 | $41.13 | $82.25 |
| Premium | $4.65 | $45.00 | $90.01 |
| Diesel | $5.30 | $51.29 | $102.58 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.