How far is Detroit, MI from South Monroe, MI?
The driving distance from Detroit, MI to South Monroe, MI is about 40.4 miles (65 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 35.6 miles (57.3 km).
- For a round trip, plan for roughly 01h 44m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 00h 52m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Wayne County, Michigan, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Detroit and South Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Detroit and South Monroe.
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1
Start on Cadillac Square
95 m · 15 sec · Cadillac Square
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2
Turn right onto Bates Street
75 m · 7 sec · Bates Street
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3
Turn right onto East Congress Street
649 ft · 38 sec · East Congress Street
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4
Turn left onto Griswold Street
635 ft · 26 sec · Griswold Street
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5
Turn right onto West Jefferson Avenue
1638 ft · 31 sec · West Jefferson Avenue
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6
Continue on John C Lodge Freeway
1.2 km · 1 min · John C Lodge Freeway
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7
Take the exit slight right toward I 75: Toledo, Flint
97 m · 8 sec
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8
Keep slight left to continue on I 75 South: Toledo
1.2 mi · 2 min
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9
Keep slight left to continue on I 75 South: Toledo
1274 ft · 31 sec
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10
Merge slight left onto Fisher Freeway
1.7 mi · 2 min · Fisher Freeway
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11
Keep slight left to continue on Fisher Freeway
12.2 mi · 14 min · Fisher Freeway
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12
Continue on Detroit-Toledo Expressway
16.6 mi · 18 min · Detroit-Toledo Expressway
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13
Take the exit slight right toward Nadeau Road
2032 ft · 53 sec
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14
Turn right onto Nadeau Road
1.1 mi · 2 min · Nadeau Road
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15
At the end of the road, turn left onto North Monroe Street
4.4 mi · 8 min · North Monroe Street
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16
Continue on South Dixie Highway
1.5 km · 1 min · South Dixie Highway
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17
Turn right
61 m · 9 sec
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18
Turn straight
139 m · 24 sec
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19
Turn left
81 m · 12 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Detroit and South Monroe.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Detroit-Toledo Expressway
Continue on Detroit-Toledo Expressway
16.6 mi · 00h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Detroit and Mostly Sunny near South Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Detroit to South Monroe?
The road trip is about 40.4 miles (65 km) and usually takes 00h 52m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Woodhaven is a useful midpoint, sitting about 20.2 miles from Detroit and 20.2 miles from South Monroe.
How much longer is the road route than the straight-line distance?
The direct path is about 35.6 miles (57.3 km), while the road route adds roughly 4.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.39 one way or $10.79 round trip. Estimated CO2 is about 12.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Detroit and Mostly Sunny near South Monroe.
Stop Ideas Near Woodhaven
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 Woodhaven.
Greenfield Village, Michigan
John D. Dingell Transit Center
Detroit
Royal Oak station
Flight Path Map
This map shows the direct air route between Detroit and South Monroe. Straight-line distance: 35.62 mi (57.33 km).
#1 Detroit
The twenty-fourth most populous city in the United States and the center of the Detroit metropolitan area.
| Population | 665,369 |
| Coordinates | 42.3314300, -83.0457500 |
| Altitude | 183 |
| Country | United States |
#2 South Monroe
Unincorporated community in Michigan
| Population | 6,433 |
| Coordinates | 41.8958800, -83.4177100 |
| Altitude | 182 |
| Country | United States |
End: South Monroe (-83.41771, 41.89588)
Estimated Travel Time
Distance: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.39 | $10.79 |
| Mid-grade | $4.25 | $6.08 | $12.16 |
| Premium | $4.65 | $6.66 | $13.31 |
| Diesel | $5.30 | $7.58 | $15.17 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.