How far is Troy, MI from Port Huron, MI?
The driving distance from Troy, MI to Port Huron, MI is about 240.2 miles (386.5 km), with a travel time of about 04h 46m by car.
- The straight-line flight distance is about 188.3 miles (303 km).
- For a round trip, plan for roughly 09h 33m 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 46m.
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.
City in Michigan, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Partly Sunny
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Troy and Port Huron.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Port Huron.
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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
62.4 mi · 1 hr 3 min · Chevrolet-Buick Freeway
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20
Keep slight right to continue on I 69 Business: Port Huron
3.2 mi · 4 min
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21
Turn left onto Military Street
1940 ft · 38 sec · Military Street
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22
Turn left onto Court Street
54 m · 13 sec · Court Street
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23
Turn left
100 m · 24 sec
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24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troy and Port Huron.
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
62.4 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.
Chance Rain Showers then Partly Sunny leaving Troy and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near Port Huron.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Port Huron?
The road trip is about 240.2 miles (386.5 km) and usually takes 04h 46m 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 119.8 miles from Troy and 120.3 miles from Port Huron.
How much longer is the road route than the straight-line distance?
The direct path is about 188.3 miles (303 km), while the road route adds roughly 51.9 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 7:26 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.48 one way or $76.96 round trip. Estimated CO2 is about 75.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Partly Sunny around Troy and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near Port Huron.
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 Port Huron. Straight-line distance: 188.27 mi (302.99 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 Port Huron
City in Michigan, United States
| Population | 28,631 |
| Coordinates | 42.9708600, -82.4249100 |
| Altitude | 184 |
| Country | United States |
End: Port Huron (-82.42491, 42.97086)
Estimated Travel Time
Distance: 386 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 00m |
| 40 mph (64.37 km/h) | 06h 00m |
| 50 mph (80.47 km/h) | 04h 48m |
| 60 mph (96.56 km/h) | 04h 00m |
| 70 mph (112.65 km/h) | 03h 25m |
| 80 mph (129 km/h) | 02h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.54 | $38.48 | $76.96 |
| Mid-grade | $5.11 | $43.29 | $86.58 |
| Premium | $5.71 | $48.40 | $96.80 |
| Diesel | $6.34 | $53.72 | $107.43 |
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 · Sep 17, 2026