How far is Troy, MI from Saint Louis, MI?
The driving distance from Troy, MI to Saint Louis, MI is about 95.2 miles (153.2 km), with a travel time of about 02h 22m by car.
- The straight-line flight distance is about 74.4 miles (119.7 km).
- For a round trip, plan for roughly 04h 45m 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 02h 22m.
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.
Village in Michigan, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Troy and Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Saint Louis.
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1
Start on North Dickinson Avenue
41 m · 9 sec · North Dickinson Avenue
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2
Turn left onto West 13 Mile Road
5.1 mi · 12 min · West 13 Mile Road
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3
Continue on Cleveland Drive West
3.6 mi · 9 min · Cleveland Drive West
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4
Continue on West Main Street
1368 ft · 43 sec · West Main Street
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5
Turn left onto North Bingham Avenue
1 km · 2 min · North Bingham Avenue
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6
Turn right onto West 14 Mile Road
4.9 mi · 9 min · West 14 Mile Road
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7
Turn right onto North Walnut Avenue
1.6 km · 2 min · North Walnut Avenue
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8
Continue on East 13 Mile Road
9.9 mi · 17 min · East 13 Mile Road
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9
Continue on 19 Mile Road
1.4 mi · 2 min · 19 Mile Road
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10
Take the ramp right
2576 ft · 1 min
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11
Merge slight left
21.7 mi · 22 min
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12
Take the exit slight right toward M 46
3066 ft · 1 min
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13
Turn left onto Edgar Road
2 mi · 3 min · Edgar Road
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14
Continue on Howard City Edmore Road
21 mi · 29 min · Howard City Edmore Road
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15
Continue on Howard City-Edmore Road
960 ft · 20 sec · Howard City-Edmore Road
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16
Continue on West Main Street
1.3 mi · 3 min · West Main Street
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17
Continue on Howard City Edmore Road Northeast
9.1 mi · 12 min · Howard City Edmore Road Northeast
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18
Continue on Northwest Monroe Road
2394 ft · 37 sec · Northwest Monroe Road
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19
Continue on West Monroe Road
11 mi · 15 min · West Monroe Road
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20
Continue on West Washington Avenue
3042 ft · 1 min · West Washington Avenue
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21
Turn left onto North Main Street
53 m · 6 sec · North Main Street
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22
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Troy and Saint Louis.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
19 Mile Road
Merge slight left
21.7 mi · 00h 22m
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.
Chance Showers And Thunderstorms then Mostly Sunny leaving Troy and Mostly Sunny near Saint Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Saint Louis?
The road trip is about 95.2 miles (153.2 km) and usually takes 02h 22m 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?
Morley is a useful midpoint, sitting about 47.5 miles from Troy and 47.7 miles from Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 74.4 miles (119.7 km), while the road route adds roughly 20.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.67 one way or $25.34 round trip. Estimated CO2 is about 29.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Mostly Sunny around Troy and Mostly Sunny near Saint Louis.
Stop Ideas Near Morley
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 Morley.
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Flight Path Map
This map shows the direct air route between Troy and Saint Louis. Straight-line distance: 74.39 mi (119.72 km).
#1 Troy
The most populous city in Oakland County, Michigan.
| Population | 83,589 |
| Coordinates | 43.7430700, -86.0192300 |
| Altitude | 251 |
| Country | United States |
#2 Saint Louis
City in Michigan, United States
| Population | 7,086 |
| Coordinates | 43.4083600, -84.6066700 |
| Altitude | 223 |
| Country | United States |
End: Saint Louis (-84.60667, 43.40836)
Estimated Travel Time
Distance: 153 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 10m |
| 40 mph (64.37 km/h) | 02h 22m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.67 | $25.34 |
| Mid-grade | $4.25 | $14.29 | $28.58 |
| Premium | $4.65 | $15.64 | $31.27 |
| Diesel | $5.30 | $17.82 | $35.64 |
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 Michigan · Jul 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.