How far is South Monroe, MI from Ann Arbor, MI?

The driving distance from South Monroe, MI to Ann Arbor, MI is about 42.4 miles (68.3 km), with a travel time of about 00h 52m by car.

  • The straight-line flight distance is about 31.1 miles (50.1 km).
  • For a round trip, plan for roughly 01h 45m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
42.46 mi
00h 52m
Flight
31.14 mi
50.12 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from South Monroe.

Flight Distance

Direct air line
31.14 mi
Kilometers
50.12 km
Flight Time
00h 03m

Driving Distance

Road route
42.46 mi
Kilometers
68.33 km
Drive Time
00h 52m

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.

Arrival Snapshot
Arrive in Ann Arbor
Sun, Apr 19, 5:52 AM EDT
Return by in South Monroe
Sun, Apr 19, 6:44 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Monroe
2026-04-19T04:59
Arrive Ann Arbor
Sun, Apr 19, 5:52 AM EDT
Route Timing
00h 52m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:53 AM to 10:53 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:44 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Monroe
9:30 PM EDT
Morning start is best

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
London
MI

Township in Monroe County, Michigan

From South Monroe
20.4 mi
00h 26m
To Ann Arbor
22.1 mi
00h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Sunday

Slight Chance Rain And Snow Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
14 to 21 mph W
Destination
46°F
Sunday

Slight Chance Snow Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 to 18 mph WNW

Driving Route Map

The map below follows the saved road route between South Monroe and Ann Arbor.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Monroe and Ann Arbor.

  1. 1

    Start on the route

    81 m · 13 sec

  2. 2

    Turn right

    672 ft · 35 sec

  3. 3

    At the end of the road, turn left onto South Dixie Highway

    1797 ft · 39 sec · South Dixie Highway

  4. 4

    Turn left onto East Dunbar Road

    1.3 km · 2 min · East Dunbar Road

  5. 5

    Turn right onto South Telegraph Road

    1.3 mi · 2 min · South Telegraph Road

  6. 6

    Turn left onto South Custer Road

    11.9 mi · 17 min · South Custer Road

  7. 7

    Continue on East Monroe Street

    1.5 km · 1 min · East Monroe Street

  8. 8

    Continue on Tecumseh Street

    1.1 km · 1 min · Tecumseh Street

  9. 9

    Take the ramp right toward US 23 North: Ann Arbor

    947 ft · 23 sec

  10. 10

    Merge slight left

    20.6 mi · 22 min

  11. 11

    Take the exit straight toward I 94 Business, US 23 Business: Ann Arbor

    3.4 mi · 7 min

  12. 12

    Turn slight left

    67 m · 9 sec

  13. 13

    Turn left onto Geddes Avenue

    791 ft · 24 sec · Geddes Avenue

  14. 14

    Continue on North University Avenue

    1367 ft · 49 sec · North University Avenue

  15. 15

    At the end of the road, turn left onto South State Street

    113 m · 11 sec · South State Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · South State Street

Car Route Details

A richer read on the saved driving route between South Monroe and Ann Arbor.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
37.6 / 100 mi
Decision points by distance
Main Roads
US 23 North
20.8 mi · 49%
South Custer Road
11.9 mi · 28%
I 94 Business
3.37 mi · 8%
South Telegraph Road
1.26 mi · 3%
East Monroe Street
0.96 mi · 2%
East Dunbar Road
0.8 mi · 2%
Longest Stretch

US 23 North

Merge slight left

20.6 mi · 00h 22m

Route Summary

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

Trip Read

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.

Drive Time
00h 52m
Day trip friendly
Same-Day Return
01h 46m
Round-trip wheel time
Road vs Air
+11.3 mi
31.1 mi direct line
Halfway Stop
London
00h 26m from South Monroe
Leave By
4:44 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain And Snow Showers leaving South Monroe and Slight Chance Snow Showers near Ann Arbor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Monroe to Ann Arbor?

The road trip is about 42.4 miles (68.3 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?

London is a useful midpoint, sitting about 20.4 miles from South Monroe and 22.1 miles from Ann Arbor.

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 11.3 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 4:44 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.66 one way or $11.31 round trip. Estimated CO2 is about 13.3 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain And Snow Showers around South Monroe and Slight Chance Snow Showers near Ann Arbor.

Stop Ideas Near London

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

Mid-route Guidance
Local place coverage is thin around London, 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 London.

RAIL

Ann Arbor station

32 mi away
325 Depot Street
RAIL

Martin Luther King, Jr. Plaza

43 mi away
415 Emerald Ave.
RAIL

Greenfield Village, Michigan

44 mi away
20900 Oakwood Blvd.
RAIL

John D. Dingell Transit Center

47 mi away
16121 Michigan Ave.

Flight Path Map

This map shows the direct air route between South Monroe and Ann Arbor. Straight-line distance: 31.14 mi (50.12 km).

South Monroe

#1 South Monroe

Unincorporated community in Michigan

Population6,433
Coordinates41.8958800, -83.4177100
Altitude182
CountryUnited States
Ann Arbor

#2 Ann Arbor

The most populous city in Washtenaw County, Michigan.

Population119,280
Coordinates42.2775600, -83.7408800
Altitude269
CountryUnited States
Start: (-83.41786, 41.895954)
End: South State Street (-83.740762, 42.277562)

Estimated Travel Time

Distance: 68 km by road

SpeedTime
30 mph (48.3 km/h)01h 24m
40 mph (64.37 km/h)01h 03m
50 mph (80.47 km/h)00h 50m
60 mph (96.56 km/h)00h 42m
70 mph (112.65 km/h)00h 36m
80 mph (129 km/h)00h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.5 gal
5.67 L · about $5.66
Round trip
$11.31
3 gal · 11.34 L
Estimated CO2
13.3 kg one way
Round trip: 26.7 kg / 59 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $5.66 $11.31
Mid-grade $4.25 $6.38 $12.76
Premium $4.65 $6.98 $13.96
Diesel $5.30 $7.96 $15.91

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

There is no time difference between South Monroe and Ann Arbor. The current time is 04:59:09.

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.