How far is Macomb, MI from Saint Louis, MI?
The driving distance from Macomb, MI to Saint Louis, MI is about 120.4 miles (193.7 km), with a travel time of about 02h 30m by car.
- The straight-line flight distance is about 96.5 miles (155.3 km).
- For a round trip, plan for roughly 05h 00m 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 02h 30m.
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.
Village in Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Macomb and Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Macomb and Saint Louis.
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1
Start on the route
9 m · 1 sec
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2
Exit the roundabout onto 25 Mile Road
1.4 km · 1 min · 25 Mile Road
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3
Enter the roundabout and take exit 2 toward 25 Mile Road
44 m · 4 sec · 25 Mile Road
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4
Exit the roundabout onto 25 Mile Road
6 mi · 10 min · 25 Mile Road
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5
Continue on Runyon Road
1.4 km · 2 min · Runyon Road
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6
Enter the roundabout and take exit 2 toward East Tienken Road
57 m · 4 sec · East Tienken Road
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7
Exit the roundabout onto East Tienken Road
3156 ft · 1 min · East Tienken Road
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8
Enter the roundabout and take exit 2 toward East Tienken Road
41 m · 5 sec · East Tienken Road
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9
Exit the roundabout onto East Tienken Road
1.6 mi · 3 min · East Tienken Road
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10
Enter the roundabout and take exit 2 toward West Tienken Road
44 m · 3 sec · West Tienken Road
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11
Exit the roundabout onto West Tienken Road
2.1 mi · 4 min · West Tienken Road
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12
Turn right onto North Adams Road
1.1 mi · 2 min · North Adams Road
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13
Turn left onto Dutton Road
2.4 mi · 4 min · Dutton Road
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14
Continue on Brown Road
1.3 mi · 2 min · Brown Road
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15
Continue on Brown Road
1.4 km · 1 min · Brown Road
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16
Turn slight left
628 ft · 34 sec
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17
Turn straight onto Joslyn Road
1125 ft · 28 sec · Joslyn Road
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18
Take the ramp right toward I 75 North
1650 ft · 40 sec
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19
Merge slight left
27.2 mi · 29 min
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20
Keep slight left to continue on I 75: Saginaw
37.8 mi · 40 min
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21
Take the exit slight right toward M 46: Buena Vista, Sandusky
1287 ft · 45 sec
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22
Enter the roundabout and take exit 1 toward East Holland Avenue
4 m · 1 sec · East Holland Avenue
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23
Exit the roundabout onto East Holland Avenue
1099 ft · 16 sec · East Holland Avenue
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24
Enter the roundabout and take exit 2 toward East Holland Avenue
32 m · 6 sec · East Holland Avenue
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25
Exit the roundabout onto East Holland Avenue
1.1 mi · 1 min · East Holland Avenue
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26
Turn slight right onto East Remington Street
1.1 mi · 1 min · East Remington Street
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27
Turn left onto Sheridan Avenue
1.9 mi · 2 min · Sheridan Avenue
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28
Continue on Williams Street
2311 ft · 34 sec · Williams Street
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29
Turn left onto Gratiot Avenue
1.3 mi · 2 min · Gratiot Avenue
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30
Continue on Gratiot Road
11.4 mi · 13 min · Gratiot Road
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31
Continue on East Saginaw Street
3158 ft · 41 sec · East Saginaw Street
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32
Continue on North Saginaw Street
715 ft · 9 sec · North Saginaw Street
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33
Continue on Gratiot Road
4.1 mi · 5 min · Gratiot Road
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34
Continue on Saginaw Street
2661 ft · 1 min · Saginaw Street
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35
Continue on West Saginaw Street
1.2 km · 2 min · West Saginaw Street
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36
Continue on Gratiot Road
1.2 mi · 2 min · Gratiot Road
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37
Continue on East Monroe Road
5 mi · 7 min · East Monroe Road
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38
Continue on East Saginaw Street
1.6 km · 2 min · East Saginaw Street
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39
Continue on East Monroe Road
5.4 mi · 7 min · East Monroe Road
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40
Continue on East Washington Street
3137 ft · 1 min · East Washington Street
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41
Turn right onto North Main Street
53 m · 6 sec · North Main Street
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42
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Macomb and Saint Louis.
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.
I 75
Keep slight left to continue on I 75: Saginaw
37.8 mi · 00h 40m
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 Macomb and Sunny near Saint Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Macomb to Saint Louis?
The road trip is about 120.4 miles (193.7 km) and usually takes 02h 30m 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?
Mount Morris is a useful midpoint, sitting about 60.1 miles from Macomb and 60.3 miles from Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 96.5 miles (155.3 km), while the road route adds roughly 23.9 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 1:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.03 one way or $32.05 round trip. Estimated CO2 is about 37.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Macomb and Sunny near Saint Louis.
Stop Ideas Near Mount Morris
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 Mount Morris.
Flint station
Durand Union Station
Lapeer station
Saginaw, MI
Flight Path Map
This map shows the direct air route between Macomb and Saint Louis. Straight-line distance: 96.48 mi (155.27 km).
#1 Macomb
A city in Macomb County, Michigan.
| Population | 92,131 |
| Coordinates | 42.7008700, -82.9590900 |
| Altitude | 191 |
| Country | United States |
#2 Saint Louis
City in Michigan, United States
| Population | 7,086 |
| Coordinates | 43.4083600, -84.6066700 |
| Altitude | 223 |
| Country | United States |
End: Saint Louis (-84.60667, 43.40836)
Estimated Travel Time
Distance: 194 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 00m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.03 | $32.05 |
| Mid-grade | $4.25 | $18.08 | $36.15 |
| Premium | $4.65 | $19.78 | $39.56 |
| Diesel | $5.30 | $22.54 | $45.08 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.