How far is Saint Marys, IN from Indianapolis, IN?
The driving distance from Saint Marys, IN to Indianapolis, IN is about 110.8 miles (178.3 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 98.9 miles (159.1 km).
- For a round trip, plan for roughly 03h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 55m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Saint Marys and Indianapolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Indianapolis.
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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
104 mi · 1 hr 54 min
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14
Take the exit slight left toward I 70 West: Saint Louis
1 km · 56 sec
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15
Merge slight left onto Dwight D Eisenhower Highway
719 ft · 12 sec · Dwight D Eisenhower Highway
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16
Take the exit slight right toward Meridian Street
1805 ft · 46 sec
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17
Continue on Madison Avenue
1849 ft · 1 min · Madison Avenue
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18
Continue on South Meridian Street
2344 ft · 2 min · South Meridian Street
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19
Turn left onto Monument Circle
111 m · 43 sec · Monument Circle
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20
Turn right
23 m · 7 sec
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21
At the end of the road, turn right
78 m · 28 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Marys and Indianapolis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 65 North
Merge slight left
104 mi · 01h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Saint Marys and Showers And Thunderstorms Likely near Indianapolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Indianapolis?
The road trip is about 110.8 miles (178.3 km) and usually takes 01h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Jonesville is a useful midpoint, sitting about 58.4 miles from Saint Marys and 52.4 miles from Indianapolis.
How much longer is the road route than the straight-line distance?
The direct path is about 98.9 miles (159.1 km), while the road route adds roughly 11.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.74 one way or $29.49 round trip. Estimated CO2 is about 34.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Saint Marys and Showers And Thunderstorms Likely near Indianapolis.
Stop Ideas Near Jonesville
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 Jonesville.
Indianapolis Union Station
Louisville, Kentucky
Connersville station
Cincinnati Museum Center at Union Terminal
Flight Path Map
This map shows the direct air route between Saint Marys and Indianapolis. Straight-line distance: 98.85 mi (159.09 km).
#1 Saint Marys
Unincorporated community in Floyd County, Minnesota
| Population | 1,370 |
| Coordinates | 38.3559000, -85.8646900 |
| Altitude | 252 |
| Country | United States |
#2 Indianapolis
The sixteenth most populous city in the United States and the center of the Indianapolis metropolitan area.
| Population | 877,903 |
| Coordinates | 39.7683800, -86.1580400 |
| Altitude | 218 |
| Country | United States |
End: Monument Circle (-86.158009, 39.768033)
Estimated Travel Time
Distance: 178 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 41m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 12m |
| 60 mph (96.56 km/h) | 01h 50m |
| 70 mph (112.65 km/h) | 01h 34m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.74 | $29.49 |
| Mid-grade | $4.25 | $16.63 | $33.26 |
| Premium | $4.65 | $18.20 | $36.39 |
| Diesel | $5.30 | $20.74 | $41.48 |
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.