How far is Saint Marys, IN from Gary, IN?
The driving distance from Saint Marys, IN to Gary, IN is about 265.2 miles (426.8 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 237.1 miles (381.5 km).
- For a round trip, plan for roughly 08h 45m 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 22m.
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.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Marys and Gary.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Gary.
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1
Start on Saint Marys Road
1.2 mi · 5 min · Saint Marys Road
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2
Keep slight left to continue on Jones Lane
1427 ft · 1 min · Jones Lane
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3
Turn left onto Spickert Knob Road
896 ft · 41 sec · Spickert Knob Road
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4
Turn right
1825 ft · 2 min
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5
Turn right onto North Hill Drive
816 ft · 36 sec · North Hill Drive
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6
Turn slight right onto Hilltop Road
1566 ft · 1 min · Hilltop Road
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7
At the end of the road, turn left onto Paoli Pike
1.4 mi · 3 min · Paoli Pike
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8
Continue on State Street
695 ft · 27 sec · State Street
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9
Take the ramp left
2018 ft · 50 sec
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10
Merge slight left
5.2 mi · 6 min
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11
Take the exit slight right toward I 65 North, I 65 South: Indianapolis, Louisville
1772 ft · 34 sec
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12
Keep slight left to continue on I 65 North: Indianapolis
1.2 km · 1 min
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13
Merge slight left
105.7 mi · 1 hr 57 min
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14
Keep slight right
29.8 mi · 36 min
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15
Take the exit slight right toward US 52 West
1281 ft · 16 sec
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16
Keep slight left
786 ft · 10 sec
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17
Merge slight left
116.8 mi · 2 hr 7 min
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18
Take the exit slight right toward I 80 West, I 94 West, US 6 West: Chicago
1.4 mi · 3 min
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19
Merge slight left onto Borman Expressway
1.4 mi · 2 min · Borman Expressway
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20
Take the exit slight right toward Grant Street
1831 ft · 45 sec
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21
Keep slight right
103 m · 9 sec
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22
Turn straight onto Richard G. Hatcher Boulevard
1.2 mi · 2 min · Richard G. Hatcher Boulevard
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23
Turn right onto West 15th Avenue
2432 ft · 56 sec · West 15th Avenue
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24
Turn left onto Harrison Boulevard
2011 ft · 1 min · Harrison Boulevard
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25
Turn right onto 10th Place
77 m · 11 sec · 10th Place
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26
Arrive at your destination
0 m · 1 sec · 10th Place
Car Route Details
A richer read on the saved driving route between Saint Marys and Gary.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 52 West
Merge slight left
117 mi · 02h 07m
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.
Sunny leaving Saint Marys and Mostly Sunny near Gary.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Gary?
The road trip is about 265.2 miles (426.8 km) and usually takes 04h 22m 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 134.4 miles from Saint Marys and 130.8 miles from Gary.
How much longer is the road route than the straight-line distance?
The direct path is about 237.1 miles (381.5 km), while the road route adds roughly 28.1 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 8:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.30 one way or $70.59 round trip. Estimated CO2 is about 83.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Saint Marys and Gary, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Saint Marys and Mostly Sunny near Gary.
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 Marys and Gary. Straight-line distance: 237.03 mi (381.47 km).
#1 Saint Marys
Unincorporated community in Floyd County, Minnesota
| Population | 1,370 |
| Coordinates | 38.3559000, -85.8646900 |
| Altitude | 252 |
| Country | United States |
#2 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
End: (-87.346439, 41.59327)
Estimated Travel Time
Distance: 427 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 50m |
| 40 mph (64.37 km/h) | 06h 37m |
| 50 mph (80.47 km/h) | 05h 18m |
| 60 mph (96.56 km/h) | 04h 25m |
| 70 mph (112.65 km/h) | 03h 47m |
| 80 mph (129 km/h) | 03h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.30 | $70.59 |
| Mid-grade | $4.25 | $39.81 | $79.62 |
| Premium | $4.65 | $43.56 | $87.12 |
| Diesel | $5.30 | $49.65 | $99.29 |
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.