How far is Troy, MI from Saint Clair, MI?
The driving distance from Troy, MI to Saint Clair, MI is about 248.2 miles (399.4 km), with a travel time of about 04h 58m by car.
- The straight-line flight distance is about 188.8 miles (303.8 km).
- For a round trip, plan for roughly 09h 56m 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 58m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Michigan, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Troy and Saint Clair.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Saint Clair.
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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
1.6 mi · 4 min · North Bingham Avenue
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6
Keep slight right
615 ft · 17 sec
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7
Continue on West 15 Mile Road
2246 ft · 1 min · West 15 Mile Road
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8
Turn left onto North Woodbridge Avenue
3 mi · 4 min · North Woodbridge Avenue
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9
Continue on South M 37
5.2 mi · 7 min · South M 37
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10
Continue on Michigan Avenue
3229 ft · 1 min · Michigan Avenue
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11
Continue on South M 37
1330 ft · 40 sec · South M 37
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12
Turn right onto East Washington
59.9 mi · 1 hr 19 min · East Washington
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13
Take the exit slight left toward US 10 EAST: Midland, Bay City
46.1 mi · 46 min
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14
Take the exit slight right toward I 75 South, US 23 South: Saginaw
2040 ft · 39 sec
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15
Merge slight left
36.3 mi · 39 min
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16
Keep slight right to continue on UAW Freeway
10.3 mi · 11 min · UAW Freeway
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17
Take the exit slight right toward I 69: Port Huron, Lansing
1332 ft · 33 sec
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18
Keep slight left to continue on Port Huron
1.3 km · 2 min
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19
Merge slight left onto Chevrolet-Buick Freeway
61.7 mi · 1 hr 3 min · Chevrolet-Buick Freeway
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20
Take the exit slight right toward I 94 West: Detroit
2940 ft · 1 min
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21
Merge slight left
4.3 mi · 5 min
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22
Take the exit slight right toward BL I 94: Marysville
1863 ft · 51 sec
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23
Turn left onto Gratiot Avenue
2194 ft · 44 sec · Gratiot Avenue
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24
Turn right onto Range Road
5.3 mi · 8 min · Range Road
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25
At the end of the road, turn left onto Brown Street
1 km · 2 min · Brown Street
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26
At the end of the road, turn right onto North Riverside Avenue
1.2 km · 1 min · North Riverside Avenue
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27
Turn left
21 m · 5 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troy and Saint Clair.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Chevrolet-Buick Freeway
Merge slight left onto Chevrolet-Buick Freeway
61.7 mi · 01h 03m
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.
Mostly Sunny leaving Troy and Mostly Sunny near Saint Clair.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Saint Clair?
The road trip is about 248.2 miles (399.4 km) and usually takes 04h 58m 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?
Auburn is a useful midpoint, sitting about 123.9 miles from Troy and 124.3 miles from Saint Clair.
How much longer is the road route than the straight-line distance?
The direct path is about 188.8 miles (303.8 km), while the road route adds roughly 59.4 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 7:04 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.03 one way or $66.07 round trip. Estimated CO2 is about 77.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Troy and Mostly Sunny near Saint Clair.
Stop Ideas Near Auburn
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Bay City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Auburn.
Bay City, MI
Saginaw, MI
Owosso, MI
Flint station
Flight Path Map
This map shows the direct air route between Troy and Saint Clair. Straight-line distance: 188.78 mi (303.81 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 Clair
County in Michigan, United States
| Population | 7,079 |
| Coordinates | 42.8208700, -82.4860200 |
| Altitude | 178 |
| Country | United States |
End: Saint Clair (-82.48602, 42.82087)
Estimated Travel Time
Distance: 399 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 16m |
| 40 mph (64.37 km/h) | 06h 12m |
| 50 mph (80.47 km/h) | 04h 57m |
| 60 mph (96.56 km/h) | 04h 08m |
| 70 mph (112.65 km/h) | 03h 32m |
| 80 mph (129 km/h) | 03h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.03 | $66.07 |
| Mid-grade | $4.25 | $37.26 | $74.51 |
| Premium | $4.65 | $40.77 | $81.54 |
| Diesel | $5.30 | $46.46 | $92.93 |
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 · 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.