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Trip from Ann Arbor, MI to South Monroe, MI

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 5, 2026 · Editorial standards

Drive Time

55m

Distance

40.5 mi

65 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$6

one way

EV Charging

Unknown

Best Time to Leave

Save up to 13 min
4 AM
0h 51m ★
6 AM
0h 55m
8 AM
1h 4m
10 AM
0h 58m
12 PM
0h 57m
3 PM
0h 59m
5 PM
1h 4m
8 PM
0h 52m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time
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Downtown Ann Arbor, MI, MI

Ann Arbor, MI

Wikimedia Commons

Downtown South Monroe, MI, MI

South Monroe, MI

fish socks

Trip Overview

The drive from Ann Arbor, MI to South Monroe, MI covers 40.5 miles and takes about 55m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 94 BL, South Custer Road, Washtenaw Avenue for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 20.6 miles on I 94 BL. At current regular gas prices, budget about $6.28 one way before food or hotel costs.

Main Roads

Road Distance Duration
I 94 BL 20.6 mi 22m
South Custer Road 11.9 mi 16m
Washtenaw Avenue 2.9 mi 5m
South Telegraph Road 1.3 mi 2m
West Monroe Street 1 mi 1m
Tecumseh Street 0.8 mi 1m
East Dunbar Road 0.8 mi 1m
South Dixie Highway 0.3 mi <1m
Longest stretch: I 94 BL — 20.6 mi, about 22m

Turn-by-Turn Driving Directions

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

1

Start on South State Street

370 ft · 15 sec · South State Street
2

Turn right onto North University Avenue

0.3 mi · 41 sec · North University Avenue
3

Continue on Geddes Avenue

0.1 mi · 18 sec · Geddes Avenue
4

Turn slight right onto Washtenaw Court

349 ft · 15 sec · Washtenaw Court
5

Turn slight right onto I 94 BL; US 23 BUS

2.9 mi · 5 min · Washtenaw Avenue
6

Take the ramp onto I 94 BL

21 mi · 22 min · I 94 BL
Toward US 23 SOUTH, BL I 94: Toledo
7

Take the exit

0.2 mi · 34 sec
Exit 17 Toward M 50: Dundee, Monroe Use the slight right lane.
8

Turn left onto M 50

0.8 mi · 1 min · Tecumseh Street
9

Continue on M 50

1.0 mi · 1 min · West Monroe Street
10

Continue on M 50

12 mi · 16 min · South Custer Road
11

Turn right onto US 24

1.3 mi · 2 min · South Telegraph Road
12

Turn left onto East Dunbar Road

0.8 mi · 1 min · East Dunbar Road
13

Turn right onto M 125

0.3 mi · 31 sec · South Dixie Highway
14

Turn right

201 ft · 8 sec
15

Turn straight

456 ft · 23 sec
16

Turn left

266 ft · 11 sec
17

Arrive at destination

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Downtown London, MI, MI

Mid-route town

Meal stop

London, MI

20 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Ida, MI

Fuel and coffee

A short stop after about 40.5 miles helps settle the day before fatigue starts building.

Dundee, MI

Meal break

The midpoint is around 20.2 miles from Ann Arbor, MI, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Heads-up: tricky spots

5 of 9

5 decision points cluster between mile 0.1 and 39.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
0.1 mi into trip | ~0m in | North University Avenue

Turn right onto North University Avenue

Navigation decision point

4
3.4 mi into trip | ~7m in | I 94 BL

Take the ramp onto I 94 BL toward US 23 SOUTH, BL I 94: Toledo

Multiple destination signs - pick the right one

Toward US 23 SOUTH, BL I 94: Toledo
8
24 mi into trip | ~29m in

Take the exit toward M 50: Dundee, Monroe

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 17 Toward M 50: Dundee, Monroe
4
37.9 mi into trip | ~49m in | US 24 / South Telegraph Road

Turn right onto US 24 / South Telegraph Road

Navigation decision point

4
39.2 mi into trip | ~52m in | East Dunbar Road

Turn left onto East Dunbar Road

Navigation decision point

Fuel & Cost

Regular Gas

$6.28 one way

$12.56 round trip

$3.94/gal 25.4 MPG avg 14 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.32 $6.89 $13.77
premium $4.93 $7.86 $15.72
diesel $5.60 $8.93 $17.86

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$6

Estimated CO2 emission: 14.2 kg one way. Prices: EIA weekly data, 2026-08-31.

Driving Electric?

About $4 in charging · 0 stops · 64% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 12.2 0 $4.25 $1.94
Efficient EV 10.1 0 $3.54 $1.62
EV Truck/SUV 16.2 0 $5.67 $2.59

Gas CO2

14 kg

EV CO2

5 kg (64% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Sep 2, 2026

Origin

Ann Arbor, MI

Late night in Ann Arbor on Saturday

Local time

3:15 AM

EDT

Current temp

93°F

Scattered Showers And Thunderstorms

WSW 13 mph 40% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued September 2 at 5:31PM EDT until September 2 at 6:15PM EDT by NWS Detroit/Pontiac MI

Heat Advisory

Heat Advisory issued September 2 at 3:29PM EDT until September 2 at 8:00PM EDT by NWS Grand Rapids MI

Destination

South Monroe, MI

Late night in South Monroe on Saturday

Local time

3:15 AM

EDT

Current temp

93°F

Scattered Showers And Thunderstorms

WSW 13 mph 41% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued September 2 at 5:31PM EDT until September 2 at 6:15PM EDT by NWS Detroit/Pontiac MI

Heat Advisory

Heat Advisory issued September 2 at 3:29PM EDT until September 2 at 8:00PM EDT by NWS Grand Rapids MI

59°F

London, MI

20 mi in

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

55m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

40.5 mi in 55m — 51% highway, the rest on surface roads. Biggest road: I 94 BL.

51% highway, the rest on surface roads — varied driving throughout.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 20.6 mi on I 94 BL.

How Hard Is This Drive?

4/10

This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.1 miles in near North University Avenue.

Driving Effort 4/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 55m drive. You will face about 9 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: at 0.1 miles (North University Avenue): Navigation decision point; at 3.4 miles (I 94 BL): Multiple destination signs - pick the right one; at 24 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

877 ft 597 ft

Total Climb

53 ft

Total Descent

332 ft

Highest Point

877 ft

Elevation Range

279 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Ann Arbor, MI and South Monroe, MI, road signs point toward Bl I 94: Toledo, M 50: Dundee and Monroe.

Bl I 94: Toledo

3.4 mi in | ~7m | via I 94 BL

M 50: Dundee

24 mi in | ~29m

Monroe

24 mi in | ~29m

About the Cities

Starting in Ann Arbor, MI

Full guide →

Founded 1824

Ann Arbor — often abbreviated as AA or A2 — is a picturesque city surrounding the University of Michigan. It has a strong bent toward the arts, and an attractive and pedestrian-friendly downtown. Visitors enjoy the city's wonderful sidewalk cafe dining, unique shops, lots of bookstores, and abundant cultural opportunities. Ann Arbor is in Michigan 35 miles (56 km) north of the Ohio border and 45 miles (72 km) west of Detroit, near where the furthest exurban fringes give way to country and small towns. In 2019, the city had a population of about 120,000 people, and thousands of visitors come to town for football games and various festivals.

Top landmarks

  • • Detroit Observatory — astronomical observatory in Ann Arbor, United States of America
  • • Kelsey Museum of Archaeology — archaeology museum in Newberry Hall
  • • Ann Arbor Hands-On Museum — museum in Ann Arbor, Michigan, USA

Arriving in South Monroe, MI

Full guide →

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 55m. Total distance: 40.5 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

55m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (51%). Straightforward navigation.

Frequently Asked Questions

The longest stretch is about 20.6 miles on I 94 BL. The full list of main roads is in the Roads section above.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 0.1 miles (North University Avenue): Navigation decision point; at 3.4 miles (I 94 BL): Multiple destination signs - pick the right one; at 24 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Yes. A round trip is manageable in a single day if you plan a break at South Monroe, MI before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.

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