How far is Port Huron, MI from Troy, MI?
The driving distance from Port Huron, MI to Troy, MI is about 245.5 miles (395.1 km), with a travel time of about 03h 54m by car.
- The straight-line flight distance is about 188.3 miles (303 km).
- For a round trip, plan for roughly 07h 49m 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 03h 54m.
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 Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Rain Showers then Partly Sunny
Driving Route Map
The map below follows the saved road route between Port Huron and Troy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Huron and Troy.
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1
Start on the route
26 m · 12 sec
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2
Turn left onto Union Street
47 m · 9 sec · Union Street
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3
Turn right onto Military Street
1153 ft · 21 sec · Military Street
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4
Turn right onto Griswold Street
65.6 mi · 1 hr 8 min · Griswold Street
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5
Take the exit slight right toward I 475: Detroit, Saginaw
1556 ft · 38 sec
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6
Keep slight right to continue on I 475 North: Saginaw
3129 ft · 1 min
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7
Merge slight left onto UAW Freeway
10 mi · 11 min · UAW Freeway
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8
Merge slight left
36.9 mi · 39 min
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9
Take the exit slight right toward US 10 West: Midland
1046 ft · 36 sec
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10
Continue straight
11.3 mi · 11 min
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11
Keep slight right to continue on US 10: Clare
38 mi · 38 min
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12
Take the exit slight right toward US 10 WEST, TO M 115: Ludington, Cadillac
56.8 mi · 1 hr 15 min
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13
Keep slight left to continue on East Washington
718 ft · 19 sec · East Washington
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14
Turn left onto South M 37
1330 ft · 38 sec · South M 37
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15
Continue on Michigan Avenue
3229 ft · 1 min · Michigan Avenue
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16
Continue on South M 37
5.2 mi · 7 min · South M 37
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17
Continue on North Woodbridge Avenue
3 mi · 4 min · North Woodbridge Avenue
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18
Turn right onto West 15 Mile Road
2862 ft · 1 min · West 15 Mile Road
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19
Continue on North Bingham Avenue
1.6 mi · 4 min · North Bingham Avenue
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20
Turn right onto West Main Street
1368 ft · 38 sec · West Main Street
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21
Continue on North Cleveland Drive
3.6 mi · 9 min · North Cleveland Drive
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22
Continue on West 13 Mile Road
5.1 mi · 12 min · West 13 Mile Road
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23
Turn right onto North Dickinson Avenue
41 m · 4 sec · North Dickinson Avenue
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24
Arrive at your destination
0 m · 1 sec · North Dickinson Avenue
Car Route Details
A richer read on the saved driving route between Port Huron and Troy.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Griswold Street
Turn right onto Griswold Street
65.6 mi · 01h 08m
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 Showers And Thunderstorms then Slight Chance Showers And Thunderstorms leaving Port Huron and Chance Rain Showers then Partly Sunny near Troy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Huron to Troy?
The road trip is about 245.5 miles (395.1 km) and usually takes 03h 54m 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 119.9 miles from Port Huron and 125.6 miles from Troy.
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 57.2 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 9:10 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.34 one way or $78.68 round trip. Estimated CO2 is about 77 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms around Port Huron and Chance Rain Showers then Partly Sunny near Troy.
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 Port Huron and Troy. Straight-line distance: 188.27 mi (302.99 km).
#1 Port Huron
City in Michigan, United States
| Population | 28,631 |
| Coordinates | 42.9708600, -82.4249100 |
| Altitude | 184 |
| Country | United States |
#2 Troy
The most populous city in Oakland County, Michigan.
| Population | 83,589 |
| Coordinates | 43.7430700, -86.0192300 |
| Altitude | 251 |
| Country | United States |
End: North Dickinson Avenue (-86.019074, 43.743068)
Estimated Travel Time
Distance: 395 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 10m |
| 40 mph (64.37 km/h) | 06h 08m |
| 50 mph (80.47 km/h) | 04h 54m |
| 60 mph (96.56 km/h) | 04h 05m |
| 70 mph (112.65 km/h) | 03h 30m |
| 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 | $4.54 | $39.34 | $78.68 |
| Mid-grade | $5.11 | $44.26 | $88.52 |
| Premium | $5.71 | $49.48 | $98.97 |
| Diesel | $6.34 | $54.92 | $109.84 |
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