How far is Dearborn, MI from Flat Rock, MI?
The driving distance from Dearborn, MI to Flat Rock, MI is about 440.1 miles (708.3 km), with a travel time of about 08h 05m by car.
- The straight-line flight distance is about 313.2 miles (504.1 km).
- For a round trip, plan for roughly 16h 10m 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 08h 05m.
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 Crawford County, Michigan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Dearborn and Flat Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dearborn and Flat Rock.
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1
Start on Michigan Avenue
3091 ft · 1 min · Michigan Avenue
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2
Take the ramp slight right toward I 94 East: Detroit
1761 ft · 43 sec
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3
Merge slight left onto Detroit Industrial Expressway
1488 ft · 23 sec · Detroit Industrial Expressway
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4
Continue on Edsel Ford Freeway
5.6 mi · 8 min · Edsel Ford Freeway
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5
Take the exit slight right toward I 75: Flint, Toledo
92 m · 6 sec
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6
Keep slight left to continue on I 75 North: Flint
2575 ft · 1 min
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7
Merge slight left onto North Walter P. Chrysler Freeway
57.6 mi · 1 hr 2 min · North Walter P. Chrysler Freeway
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8
Keep slight left to continue on I 75: Saginaw
52.4 mi · 56 min
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9
Keep slight left
62.9 mi · 1 hr 3 min
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10
Keep slight left
117.6 mi · 2 hr 1 min
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11
Take the exit slight right toward US 2: Manistique, Escanaba
1913 ft · 1 min
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12
Merge slight left onto US-2 West
1.1 km · 1 min · US-2 West
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13
Continue on US 2
3.2 mi · 4 min · US 2
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14
Continue on US-2 West
129.5 mi · 2 hr 33 min · US-2 West
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15
Turn right onto South Hill Road
120 m · 11 sec · South Hill Road
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16
Continue on Blackwell Avenue
1279 ft · 35 sec · Blackwell Avenue
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17
Continue on South Hill Road
1 km · 2 min · South Hill Road
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18
Continue on County 420 21st Road
3 mi · 4 min · County 420 21st Road
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19
Turn left onto County 426 M.5 Road
1 mi · 1 min · County 426 M.5 Road
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20
Turn right onto County 416 20th Road
3.5 mi · 5 min · County 416 20th Road
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21
Arrive at your destination
0 m · 1 sec · 20th Road
Car Route Details
A richer read on the saved driving route between Dearborn 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.
Mostly Sunny leaving Dearborn and Partly Sunny near Flat Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dearborn to Flat Rock?
The road trip is about 440.1 miles (708.3 km) and usually takes 08h 05m 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?
Frederic is a useful midpoint, sitting about 219.9 miles from Dearborn and 220.2 miles from Flat Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 313.2 miles (504.1 km), while the road route adds roughly 126.9 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 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 $58.56 one way or $117.13 round trip. Estimated CO2 is about 138 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Dearborn and Partly Sunny near Flat Rock.
Stop Ideas Near Frederic
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 Frederic.
Boyne City, Michigan
Walloon Lake, Michigan
Kingsley, Michigan
Manton, Michigan
Flight Path Map
This map shows the direct air route between Dearborn and Flat Rock. Straight-line distance: 313.23 mi (504.09 km).
#1 Dearborn
The most populous city in Wayne County, Michigan.
| Population | 93,367 |
| Coordinates | 42.3222600, -83.1763100 |
| Altitude | 180 |
| 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: 708 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 39m |
| 40 mph (64.37 km/h) | 11h 00m |
| 50 mph (80.47 km/h) | 08h 48m |
| 60 mph (96.56 km/h) | 07h 20m |
| 70 mph (112.65 km/h) | 06h 17m |
| 80 mph (129 km/h) | 05h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $58.56 | $117.13 |
| Mid-grade | $4.25 | $66.05 | $132.10 |
| Premium | $4.65 | $72.28 | $144.55 |
| Diesel | $5.30 | $82.37 | $164.74 |
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.