How far is Macomb, MI from Williamston, MI?
The driving distance from Macomb, MI to Williamston, MI is about 88.5 miles (142.4 km), with a travel time of about 01h 46m by car.
- The straight-line flight distance is about 67.2 miles (108.2 km).
- For a round trip, plan for roughly 03h 32m 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 01h 46m.
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 Michigan, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Chance Rain Showers
Areas Of Frost then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Macomb and Williamston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Macomb and Williamston.
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1
Start on the route
32 m · 3 sec
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2
Exit the roundabout onto Garfield Road
2 mi · 3 min · Garfield Road
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3
Turn right onto 23 Mile Road
3 mi · 5 min · 23 Mile Road
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4
Take the ramp right toward M 53 South: Detroit
1177 ft · 40 sec
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5
Merge slight left onto Christopher Columbus Freeway
5 mi · 5 min · Christopher Columbus Freeway
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6
Take the exit slight right toward Van Dyke Road North, 18 ½ Mile Road West
1772 ft · 44 sec
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7
Enter the roundabout and take exit 2 toward 18 1/2 Mile Road
56 m · 8 sec · 18 1/2 Mile Road
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8
Exit the roundabout onto 18 1/2 Mile Road
1.1 mi · 2 min · 18 1/2 Mile Road
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9
Turn straight onto Mound Road
7.1 mi · 11 min · Mound Road
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10
Keep slight left to continue on Mound Road
953 ft · 16 sec · Mound Road
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11
Take the ramp straight toward I 696: Lansing, Port Huron
1445 ft · 35 sec
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12
Keep slight right to continue on Southbound Mound Road to I-696 West
2073 ft · 51 sec · Southbound Mound Road to I-696 West
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13
Merge slight left onto Walter P Reuther Freeway
21.8 mi · 23 min · Walter P Reuther Freeway
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14
Merge slight right
17.9 mi · 19 min
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15
Keep slight left
23.6 mi · 25 min
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16
Take the exit slight right toward M 43, M 52: Stockbridge, Webberville
2102 ft · 53 sec
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17
Turn right onto Stockbridge Road
3189 ft · 53 sec · Stockbridge Road
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18
At the end of the road, turn left onto East Grand River Avenue
4.5 mi · 7 min · East Grand River Avenue
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19
Turn left onto South Putnam Street
35 m · 4 sec · South Putnam Street
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20
Arrive at your destination
0 m · 1 sec · South Putnam Street
Car Route Details
A richer read on the saved driving route between Macomb and Williamston.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Walter P Reuther Freeway
Keep slight left
23.6 mi · 00h 25m
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.
Areas Of Frost then Chance Rain Showers leaving Macomb and Areas Of Frost then Chance Rain Showers near Williamston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Macomb to Williamston?
The road trip is about 88.5 miles (142.4 km) and usually takes 01h 46m 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?
Novi is a useful midpoint, sitting about 44.2 miles from Macomb and 44.3 miles from Williamston.
How much longer is the road route than the straight-line distance?
The direct path is about 67.2 miles (108.2 km), while the road route adds roughly 21.3 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 2:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.77 one way or $23.53 round trip. Estimated CO2 is about 27.7 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost then Chance Rain Showers around Macomb and Areas Of Frost then Chance Rain Showers near Williamston.
Stop Ideas Near Novi
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 Novi.
Pontiac Transportation Center
Troy Transit Center
Birmingham, Michigan
Royal Oak station
Flight Path Map
This map shows the direct air route between Macomb and Williamston. Straight-line distance: 67.24 mi (108.21 km).
#1 Macomb
A city in Macomb County, Michigan.
| Population | 92,131 |
| Coordinates | 42.7008700, -82.9590900 |
| Altitude | 191 |
| Country | United States |
#2 Williamston
Human settlement in Ingham County, Michigan, United States of America
| Population | 3,928 |
| Coordinates | 42.6889200, -84.2830200 |
| Altitude | 264 |
| Country | United States |
End: Williamston (-84.28302, 42.68892)
Estimated Travel Time
Distance: 142 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 56m |
| 40 mph (64.37 km/h) | 02h 12m |
| 50 mph (80.47 km/h) | 01h 46m |
| 60 mph (96.56 km/h) | 01h 28m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.77 | $23.53 |
| Mid-grade | $4.25 | $13.27 | $26.54 |
| Premium | $4.65 | $14.52 | $29.04 |
| Diesel | $5.30 | $16.55 | $33.10 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.