How far is Flat Rock, MI from Rochester Hills, MI?
The driving distance from Flat Rock, MI to Rochester Hills, MI is about 414.5 miles (667.1 km), with a travel time of about 06h 19m by car.
- The straight-line flight distance is about 296.1 miles (476.6 km).
- For a round trip, plan for roughly 12h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 19m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Flat Rock and Rochester Hills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flat Rock and Rochester Hills.
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1
Start on 20th Road
36 m · 5 sec · 20th Road
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2
Continue on County 416 20th Road
3.5 mi · 5 min · County 416 20th Road
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3
At the end of the road, turn left onto County 426 M.5 Road
1 mi · 1 min · County 426 M.5 Road
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4
Turn right onto County 420 21st Road
3 mi · 4 min · County 420 21st Road
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5
Continue on South Hill Road
1 km · 2 min · South Hill Road
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6
Continue on Blackwell Avenue
1279 ft · 35 sec · Blackwell Avenue
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7
Continue on South Hill Road
139 m · 22 sec · South Hill Road
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8
Turn left
133.2 mi · 2 hr 37 min
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9
Take the exit slight right toward I 75 South: Mackinac Bridge
1819 ft · 44 sec
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10
Merge slight left
94.1 mi · 1 hr 37 min
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11
Keep slight left to continue on I 75: Saginaw, Detroit
124.2 mi · 2 hr 7 min
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12
Keep slight left
11 mi · 12 min
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13
Keep slight left
36.8 mi · 39 min
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14
Take the exit slight right toward M 59 East: Utica
1392 ft · 47 sec
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15
Merge slight left
3.2 mi · 3 min
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16
Take the exit slight right toward Crooks Road
1963 ft · 55 sec
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17
Turn left onto Crooks Road
3230 ft · 1 min · Crooks Road
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18
Turn right onto West Hamlin Road
1 mi · 2 min · West Hamlin Road
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19
Enter the roundabout and take exit 3 toward South Livernois Road
65 m · 4 sec · South Livernois Road
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20
Exit the roundabout onto South Livernois Road
1428 ft · 29 sec · South Livernois Road
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21
Turn right onto Dressler Lane
60 m · 13 sec · Dressler Lane
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22
Turn left onto Downhill Lane
115 m · 22 sec · Downhill Lane
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23
Turn left onto Dickson Lane
1164 ft · 51 sec · Dickson Lane
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24
Arrive at your destination
0 m · 1 sec · Dickson Lane
Car Route Details
A richer read on the saved driving route between Flat Rock and Rochester Hills.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn left
133 mi · 02h 37m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Flat Rock and Showers And Thunderstorms near Rochester Hills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flat Rock to Rochester Hills?
The road trip is about 414.5 miles (667.1 km) and usually takes 06h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Gaylord is a useful midpoint, sitting about 206.9 miles from Flat Rock and 207.6 miles from Rochester Hills.
How much longer is the road route than the straight-line distance?
The direct path is about 296.1 miles (476.6 km), while the road route adds roughly 118.4 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $55.17 one way or $110.34 round trip. Estimated CO2 is about 130 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Flat Rock and Showers And Thunderstorms near Rochester Hills.
Stop Ideas Near Gaylord
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 Gaylord.
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Flight Path Map
This map shows the direct air route between Flat Rock and Rochester Hills. Straight-line distance: 296.16 mi (476.62 km).
#1 Flat Rock
City in Michigan, United States
| Population | 9,959 |
| Coordinates | 45.8258000, -87.1834700 |
| Altitude | 234 |
| Country | United States |
#2 Rochester Hills
A city in Oakland County, Michigan.
| Population | 74,111 |
| Coordinates | 42.6583700, -83.1499300 |
| Altitude | 251 |
| Country | United States |
End: Dickson Lane (-83.150084, 42.658638)
Estimated Travel Time
Distance: 667 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 48m |
| 40 mph (64.37 km/h) | 10h 21m |
| 50 mph (80.47 km/h) | 08h 17m |
| 60 mph (96.56 km/h) | 06h 54m |
| 70 mph (112.65 km/h) | 05h 55m |
| 80 mph (129 km/h) | 05h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $55.17 | $110.34 |
| Mid-grade | $4.25 | $62.22 | $124.44 |
| Premium | $4.65 | $68.09 | $136.18 |
| Diesel | $5.30 | $77.60 | $155.20 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.