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.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
414.54 mi
06h 19m
Flight
296.16 mi
476.62 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Flat Rock.

Flight Distance

Direct air line
296.16 mi
Kilometers
476.62 km
Flight Time
00h 35m

Driving Distance

Road route
414.54 mi
Kilometers
667.13 km
Drive Time
06h 19m

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.

Arrival Snapshot
Arrive in Rochester Hills
Tue, May 5, 5:36 AM EDT
Return by in Flat Rock
Tue, May 5, 11:56 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Flat Rock
2026-05-04T23:16
Arrive Rochester Hills
Tue, May 5, 5:36 AM EDT
Route Timing
06h 19m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:20 PM to 1:50 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:20 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Flat Rock
8:00 PM EDT
Overnight-style route

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.

Mid-route stop
Gaylord
MI

City in Michigan, United States

From Flat Rock
206.9 mi
03h 09m
To Rochester Hills
207.6 mi
03h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Monday

Chance Rain Showers

Starts
Mon, May 4 6:00 AM EDT
Wind
5 to 15 mph SW
Destination
75°F
Monday

Mostly Sunny then Slight Chance Rain Showers

Starts
Mon, May 4 6:00 AM EDT
Wind
9 to 16 mph SW

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.

  1. 1

    Start on 20th Road

    36 m · 5 sec · 20th Road

  2. 2

    Continue on County 416 20th Road

    3.5 mi · 5 min · County 416 20th Road

  3. 3

    At the end of the road, turn left onto County 426 M.5 Road

    1 mi · 1 min · County 426 M.5 Road

  4. 4

    Turn right onto County 420 21st Road

    3 mi · 4 min · County 420 21st Road

  5. 5

    Continue on South Hill Road

    1 km · 2 min · South Hill Road

  6. 6

    Continue on Blackwell Avenue

    1279 ft · 35 sec · Blackwell Avenue

  7. 7

    Continue on South Hill Road

    139 m · 22 sec · South Hill Road

  8. 8

    Turn left

    133.2 mi · 2 hr 37 min

  9. 9

    Take the exit slight right toward I 75 South: Mackinac Bridge

    1819 ft · 44 sec

  10. 10

    Merge slight left

    94.1 mi · 1 hr 37 min

  11. 11

    Keep slight left to continue on I 75: Saginaw, Detroit

    124.2 mi · 2 hr 7 min

  12. 12

    Keep slight left

    11 mi · 12 min

  13. 13

    Keep slight left

    36.8 mi · 39 min

  14. 14

    Take the exit slight right toward M 59 East: Utica

    1392 ft · 47 sec

  15. 15

    Merge slight left

    3.2 mi · 3 min

  16. 16

    Take the exit slight right toward Crooks Road

    1963 ft · 55 sec

  17. 17

    Turn left onto Crooks Road

    3230 ft · 1 min · Crooks Road

  18. 18

    Turn right onto West Hamlin Road

    1 mi · 2 min · West Hamlin Road

  19. 19

    Enter the roundabout and take exit 3 toward South Livernois Road

    65 m · 4 sec · South Livernois Road

  20. 20

    Exit the roundabout onto South Livernois Road

    1428 ft · 29 sec · South Livernois Road

  21. 21

    Turn right onto Dressler Lane

    60 m · 13 sec · Dressler Lane

  22. 22

    Turn left onto Downhill Lane

    115 m · 22 sec · Downhill Lane

  23. 23

    Turn left onto Dickson Lane

    1164 ft · 51 sec · Dickson Lane

  24. 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.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
24 steps
10 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
5.8 / 100 mi
Decision points by distance
Main Roads
I 75
172 mi · 41%
I 75 South
94.4 mi · 23%
County 416 20th Road
3.49 mi · 1%
M 59 East
3.43 mi · 1%
County 420 21st Road
3.03 mi · 1%
West Hamlin Road
1.03 mi
Longest Stretch

Longest stretch

Turn left

133 mi · 02h 37m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
06h 19m
Overnight route
Same-Day Return
12h 40m
Round-trip wheel time
Road vs Air
+118.4 mi
296.1 mi direct line
Halfway Stop
Gaylord
03h 09m from Flat Rock
Leave By
11:20 PM EDT
Overnight-style route
Weather Watch

Chance Rain Showers leaving Flat Rock and Mostly Sunny then Slight Chance Rain Showers 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 Chance Rain Showers around Flat Rock and Mostly Sunny then Slight Chance Rain Showers near Rochester Hills.

Stop Ideas Near Gaylord

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Gaylord, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Gaylord.

BUS

Boyne City, Michigan

34 mi away
1000 East Division St.
BUS

Walloon Lake, Michigan

34 mi away
Hwy 131 & Hwy 75
BUS

Petoskey, Michigan

45 mi away
301 West Mitchell St.
BUS

Alanson, MI

47 mi away
7640 Burr Avenue

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).

Flat Rock

#1 Flat Rock

City in Michigan, United States

Population9,959
Coordinates45.8258000, -87.1834700
Altitude234
CountryUnited States
Rochester Hills

#2 Rochester Hills

A city in Oakland County, Michigan.

Population74,111
Coordinates42.6583700, -83.1499300
Altitude251
CountryUnited States
Start: 20th Road (-87.183474, 45.826064)
End: Dickson Lane (-83.150084, 42.658638)

Estimated Travel Time

Distance: 667 km by road

SpeedTime
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.

One-way fuel
14.63 gal
55.37 L · about $55.17
Round trip
$110.34
29.26 gal · 110.74 L
Estimated CO2
130 kg one way
Round trip: 260 kg / 573 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

There is no time difference between Flat Rock and Rochester Hills. The current time is 23:16:39.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.