How far is Ann Arbor, MI from South Monroe, MI?
The driving distance from Ann Arbor, MI to South Monroe, MI is about 40.5 miles (65.1 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 31.1 miles (50.1 km).
- For a round trip, plan for roughly 01h 50m 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 55m.
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.
Township in Monroe County, Michigan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Snow Showers
Slight Chance Rain And Snow Showers
Driving Route Map
The map below follows the saved road route between Ann Arbor and South Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ann Arbor and South Monroe.
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1
Start on South State Street
113 m · 15 sec · South State Street
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2
Turn right onto North University Avenue
1347 ft · 41 sec · North University Avenue
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3
Continue on Geddes Avenue
584 ft · 18 sec · Geddes Avenue
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4
Turn slight right onto Washtenaw Court
107 m · 15 sec · Washtenaw Court
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5
Turn slight right onto Washtenaw Avenue
2.9 mi · 6 min · Washtenaw Avenue
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6
Take the ramp slight right toward US 23 SOUTH, BL I 94: Toledo
20.6 mi · 23 min
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7
Take the exit slight right toward M 50: Dundee, Monroe
1097 ft · 34 sec
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8
Turn left onto Tecumseh Street
1.3 km · 1 min · Tecumseh Street
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9
Continue on West Monroe Street
1.5 km · 1 min · West Monroe Street
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10
Continue on South Custer Road
11.9 mi · 17 min · South Custer Road
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11
Turn right onto South Telegraph Road
1.3 mi · 2 min · South Telegraph Road
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12
Turn left onto East Dunbar Road
1.3 km · 2 min · East Dunbar Road
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13
Turn right onto South Dixie Highway
1759 ft · 32 sec · South Dixie Highway
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14
Turn right
61 m · 9 sec
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15
Turn straight
139 m · 24 sec
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16
Turn left
81 m · 12 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ann Arbor and South Monroe.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
US 23 SOUTH
Take the ramp slight right toward US 23 SOUTH, BL I 94: Toledo
20.6 mi · 00h 23m
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.
Slight Chance Snow Showers leaving Ann Arbor and Slight Chance Rain And Snow Showers near South Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ann Arbor to South Monroe?
The road trip is about 40.5 miles (65.1 km) and usually takes 00h 55m 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?
London is a useful midpoint, sitting about 20.3 miles from Ann Arbor and 20.3 miles from South Monroe.
How much longer is the road route than the straight-line distance?
The direct path is about 31.1 miles (50.1 km), while the road route adds roughly 9.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:40 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 Slight Chance Snow Showers around Ann Arbor and Slight Chance Rain And Snow Showers near South Monroe.
Stop Ideas Near London
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 London.
Ann Arbor station
Martin Luther King, Jr. Plaza
Greenfield Village, Michigan
John D. Dingell Transit Center
Flight Path Map
This map shows the direct air route between Ann Arbor and South Monroe. Straight-line distance: 31.14 mi (50.12 km).
#1 Ann Arbor
The most populous city in Washtenaw County, Michigan.
| Population | 119,280 |
| Coordinates | 42.2775600, -83.7408800 |
| Altitude | 269 |
| 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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.