How far is Macomb, MI from Flat Rock, MI?
The driving distance from Macomb, MI to Flat Rock, MI is about 420.8 miles (677.2 km), with a travel time of about 07h 52m by car.
- The straight-line flight distance is about 300.4 miles (483.5 km).
- For a round trip, plan for roughly 15h 45m 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 07h 52m.
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.
Township in Otsego County, Michigan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Macomb and Flat Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Macomb and Flat Rock.
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1
Start on the route
9 m · 1 sec
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2
Exit the roundabout onto 25 Mile Road
1.4 km · 1 min · 25 Mile Road
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3
Enter the roundabout and take exit 2 toward 25 Mile Road
44 m · 4 sec · 25 Mile Road
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4
Exit the roundabout onto 25 Mile Road
6 mi · 10 min · 25 Mile Road
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5
Continue on Runyon Road
1.4 km · 2 min · Runyon Road
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6
Enter the roundabout and take exit 2 toward East Tienken Road
57 m · 4 sec · East Tienken Road
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7
Exit the roundabout onto East Tienken Road
3156 ft · 1 min · East Tienken Road
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8
Enter the roundabout and take exit 2 toward East Tienken Road
41 m · 5 sec · East Tienken Road
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9
Exit the roundabout onto East Tienken Road
1.6 mi · 3 min · East Tienken Road
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10
Enter the roundabout and take exit 2 toward West Tienken Road
44 m · 3 sec · West Tienken Road
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11
Exit the roundabout onto West Tienken Road
2.1 mi · 4 min · West Tienken Road
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12
Turn right onto North Adams Road
1.1 mi · 2 min · North Adams Road
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13
Turn left onto Dutton Road
2.4 mi · 4 min · Dutton Road
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14
Continue on Brown Road
1.3 mi · 2 min · Brown Road
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15
Continue on Brown Road
1.4 km · 1 min · Brown Road
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16
Turn slight left
628 ft · 34 sec
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17
Turn straight onto Joslyn Road
1125 ft · 28 sec · Joslyn Road
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18
Take the ramp right toward I 75 North
1650 ft · 40 sec
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19
Merge slight left
27.2 mi · 29 min
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20
Keep slight left to continue on I 75: Saginaw
52.4 mi · 56 min
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21
Keep slight left
62.9 mi · 1 hr 3 min
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22
Keep slight left
117.6 mi · 2 hr 1 min
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23
Take the exit slight right toward US 2: Manistique, Escanaba
1913 ft · 1 min
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24
Merge slight left onto US-2 West
1.1 km · 1 min · US-2 West
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25
Continue on US 2
3.2 mi · 4 min · US 2
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26
Continue on US-2 West
129.5 mi · 2 hr 33 min · US-2 West
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27
Turn right onto South Hill Road
120 m · 11 sec · South Hill Road
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28
Continue on Blackwell Avenue
1279 ft · 35 sec · Blackwell Avenue
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29
Continue on South Hill Road
1 km · 2 min · South Hill Road
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30
Continue on County 420 21st Road
3 mi · 4 min · County 420 21st Road
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31
Turn left onto County 426 M.5 Road
1 mi · 1 min · County 426 M.5 Road
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32
Turn right onto County 416 20th Road
3.5 mi · 5 min · County 416 20th Road
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33
Arrive at your destination
0 m · 1 sec · 20th Road
Car Route Details
A richer read on the saved driving route between Macomb and Flat Rock.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US-2 West
Continue on US-2 West
130 mi · 02h 33m
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.
Sunny leaving Macomb and Sunny near Flat Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Macomb to Flat Rock?
The road trip is about 420.8 miles (677.2 km) and usually takes 07h 52m 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?
Otsego Lake is a useful midpoint, sitting about 210.2 miles from Macomb and 210.6 miles from Flat Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 300.4 miles (483.5 km), while the road route adds roughly 120.4 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 $56.00 one way or $112.00 round trip. Estimated CO2 is about 132 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Macomb and Sunny near Flat Rock.
Stop Ideas Near Otsego Lake
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 Otsego Lake.
Boyne City, Michigan
Walloon Lake, Michigan
Petoskey, Michigan
Alanson, MI
Flight Path Map
This map shows the direct air route between Macomb and Flat Rock. Straight-line distance: 300.43 mi (483.49 km).
#1 Macomb
A city in Macomb County, Michigan.
| Population | 92,131 |
| Coordinates | 42.7008700, -82.9590900 |
| Altitude | 191 |
| Country | United States |
#2 Flat Rock
City in Michigan, United States
| Population | 9,959 |
| Coordinates | 45.8258000, -87.1834700 |
| Altitude | 234 |
| Country | United States |
End: Flat Rock (-87.18347, 45.8258)
Estimated Travel Time
Distance: 677 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 01m |
| 40 mph (64.37 km/h) | 10h 31m |
| 50 mph (80.47 km/h) | 08h 24m |
| 60 mph (96.56 km/h) | 07h 00m |
| 70 mph (112.65 km/h) | 06h 00m |
| 80 mph (129 km/h) | 05h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $56.00 | $112.00 |
| Mid-grade | $4.25 | $63.16 | $126.31 |
| Premium | $4.65 | $69.11 | $138.22 |
| Diesel | $5.30 | $78.76 | $157.53 |
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.