How far is Saint Joseph, IN from Locke, IN?
The driving distance from Saint Joseph, IN to Locke, IN is about 244.9 miles (394.1 km), with a travel time of about 05h 04m by car.
- The straight-line flight distance is about 212.5 miles (342 km).
- For a round trip, plan for roughly 10h 08m 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 05h 04m.
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.
The most populous city in Hamilton County, Indiana.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Joseph and Locke.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Joseph and Locke.
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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
86.7 mi · 1 hr 33 min
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9
Take the exit slight right toward Southport Road
1948 ft · 48 sec
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10
Turn slight right
54 m · 4 sec
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11
Turn straight onto East Southport Road
975 ft · 27 sec · East Southport Road
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12
Turn left onto South Emerson Avenue
2.5 mi · 4 min · South Emerson Avenue
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13
Take the ramp straight
2399 ft · 59 sec
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14
Merge slight left
2.3 mi · 3 min
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15
Continue straight
11.8 mi · 14 min
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16
Keep slight left
1477 ft · 20 sec
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17
Continue on I-465 WB
1.3 km · 57 sec · I-465 WB
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18
Continue straight
2.6 mi · 3 min
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19
Take the exit slight right toward Keystone Avenue
2147 ft · 52 sec
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20
Turn right onto North Keystone Parkway, West 96th Street, West 98th Street, East 96th Street
52 m · 6 sec
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21
Merge slight left onto North Keystone Avenue
1412 ft · 44 sec · North Keystone Avenue
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22
Enter the roundabout and take exit 2 toward North Keystone Parkway, East 98th Street
34 m · 6 sec
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23
Exit the roundabout onto North Keystone Parkway, East 98th Street
1186 ft · 31 sec
-
24
Keep slight left to continue on Keystone Parkway
133 m · 12 sec
-
25
Merge slight left onto Keystone Parkway
5 mi · 8 min · Keystone Parkway
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26
Merge slight left onto North Meridian Street
105 mi · 2 hr 10 min · North Meridian Street
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27
Take the exit slight right toward US 6: Walkerton, Bremen
1536 ft · 38 sec
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28
Turn right onto Grand Army of the Republic Highway
13.6 mi · 19 min · Grand Army of the Republic Highway
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29
Continue on West Market Street
1 mi · 2 min · West Market Street
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30
Turn left onto North Arnott Street
2719 ft · 1 min · North Arnott Street
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31
Continue on County Road 3
1.5 mi · 4 min · County Road 3
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32
Turn right onto County Road 50
2354 ft · 2 min · County Road 50
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33
Arrive at your destination
0 m · 1 sec · County Road 50
Car Route Details
A richer read on the saved driving route between Saint Joseph and Locke.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Meridian Street
Merge slight left onto North Meridian Street
105 mi · 02h 10m
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 Joseph and Mostly Sunny near Locke.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Joseph to Locke?
The road trip is about 244.9 miles (394.1 km) and usually takes 05h 04m 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?
Carmel is a useful midpoint, sitting about 122.5 miles from Saint Joseph and 122.3 miles from Locke.
How much longer is the road route than the straight-line distance?
The direct path is about 212.5 miles (342 km), while the road route adds roughly 32.4 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 6:52 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.58 one way or $65.16 round trip. Estimated CO2 is about 76.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Joseph and Mostly Sunny near Locke.
Stop Ideas Near Carmel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Noblesville Housing Authority
Carmel City Hall
Thomas A. Weaver Municipal Complex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Carmel.
Indianapolis Union Station
Crawfordsville
Crawfordsville (Bus), Indiana
Lafayette station
Flight Path Map
This map shows the direct air route between Saint Joseph and Locke. Straight-line distance: 212.5 mi (341.99 km).
#1 Saint Joseph
The most populous city in St.
| Population | 76,995 |
| Coordinates | 38.4000700, -85.8083000 |
| Altitude | 172 |
| Country | United States |
#2 Locke
Unincorporated community in Elkhart County, Minnesota
| Population | 4,089 |
| Coordinates | 41.4717100, -86.0122200 |
| Altitude | 267 |
| Country | United States |
End: Locke (-86.01222, 41.47171)
Estimated Travel Time
Distance: 394 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 09m |
| 40 mph (64.37 km/h) | 06h 07m |
| 50 mph (80.47 km/h) | 04h 53m |
| 60 mph (96.56 km/h) | 04h 04m |
| 70 mph (112.65 km/h) | 03h 29m |
| 80 mph (129 km/h) | 03h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.58 | $65.16 |
| Mid-grade | $4.25 | $36.75 | $73.49 |
| Premium | $4.65 | $40.21 | $80.42 |
| Diesel | $5.30 | $45.83 | $91.65 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.