How far is Rochester Hills, MI from Saint Louis, MI?
The driving distance from Rochester Hills, MI to Saint Louis, MI is about 113.3 miles (182.3 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 90 miles (144.8 km).
- For a round trip, plan for roughly 04h 28m 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 14m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Rochester Hills and Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rochester Hills and Saint Louis.
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1
Start on Dickson Lane
1164 ft · 53 sec · Dickson Lane
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2
At the end of the road, turn right onto Downhill Lane
115 m · 18 sec · Downhill Lane
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3
Turn right onto Dressler Lane
60 m · 14 sec · Dressler Lane
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4
Turn left onto South Livernois Road
1426 ft · 27 sec · South Livernois Road
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5
Enter the roundabout and take exit 1 toward West Hamlin Road
5 m · 1 sec · West Hamlin Road
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6
Exit the roundabout onto West Hamlin Road
1 mi · 2 min · West Hamlin Road
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7
Turn left onto Crooks Road
1860 ft · 38 sec · Crooks Road
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8
Take the ramp right toward M 59 West: Pontiac
2867 ft · 1 min
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9
Merge slight left
2.6 mi · 3 min
-
10
Take the exit slight right toward I 75 North: Flint
2907 ft · 1 min
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11
Merge slight left
32.8 mi · 35 min
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12
Keep slight left to continue on I 75: Saginaw
37.8 mi · 40 min
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13
Take the exit slight right toward M 46: Buena Vista, Sandusky
1287 ft · 45 sec
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14
Enter the roundabout and take exit 1 toward East Holland Avenue
4 m · 1 sec · East Holland Avenue
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15
Exit the roundabout onto East Holland Avenue
1099 ft · 16 sec · East Holland Avenue
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16
Enter the roundabout and take exit 2 toward East Holland Avenue
32 m · 6 sec · East Holland Avenue
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17
Exit the roundabout onto East Holland Avenue
1.1 mi · 1 min · East Holland Avenue
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18
Turn slight right onto East Remington Street
1.1 mi · 1 min · East Remington Street
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19
Turn left onto Sheridan Avenue
1.9 mi · 2 min · Sheridan Avenue
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20
Continue on Williams Street
2311 ft · 34 sec · Williams Street
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21
Turn left onto Gratiot Avenue
1.3 mi · 2 min · Gratiot Avenue
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22
Continue on Gratiot Road
11.4 mi · 13 min · Gratiot Road
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23
Continue on East Saginaw Street
3158 ft · 41 sec · East Saginaw Street
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24
Continue on North Saginaw Street
715 ft · 9 sec · North Saginaw Street
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25
Continue on Gratiot Road
4.1 mi · 5 min · Gratiot Road
-
26
Continue on Saginaw Street
2661 ft · 1 min · Saginaw Street
-
27
Continue on West Saginaw Street
1.2 km · 2 min · West Saginaw Street
-
28
Continue on Gratiot Road
1.2 mi · 2 min · Gratiot Road
-
29
Continue on East Monroe Road
5 mi · 7 min · East Monroe Road
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30
Continue on East Saginaw Street
1.6 km · 2 min · East Saginaw Street
-
31
Continue on East Monroe Road
5.4 mi · 7 min · East Monroe Road
-
32
Continue on East Washington Street
3137 ft · 1 min · East Washington Street
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33
Turn right onto North Main Street
53 m · 6 sec · North Main Street
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34
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Rochester Hills and Saint Louis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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 Rochester Hills 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 Rochester Hills to Saint Louis?
The road trip is about 113.3 miles (182.3 km) and usually takes 02h 14m 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?
Clio is a useful midpoint, sitting about 56.5 miles from Rochester Hills and 56.7 miles from Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 90 miles (144.8 km), while the road route adds roughly 23.3 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 2:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.08 one way or $30.17 round trip. Estimated CO2 is about 35.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rochester Hills and Sunny near Saint Louis.
Stop Ideas Near Clio
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 Clio.
Flint station
Saginaw, MI
Durand Union Station
Lapeer station
Flight Path Map
This map shows the direct air route between Rochester Hills and Saint Louis. Straight-line distance: 89.99 mi (144.82 km).
#1 Rochester Hills
A city in Oakland County, Michigan.
| Population | 74,111 |
| Coordinates | 42.6583700, -83.1499300 |
| Altitude | 251 |
| 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: 182 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 46m |
| 40 mph (64.37 km/h) | 02h 49m |
| 50 mph (80.47 km/h) | 02h 15m |
| 60 mph (96.56 km/h) | 01h 53m |
| 70 mph (112.65 km/h) | 01h 37m |
| 80 mph (129 km/h) | 01h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.08 | $30.17 |
| Mid-grade | $4.25 | $17.01 | $34.02 |
| Premium | $4.65 | $18.62 | $37.23 |
| Diesel | $5.30 | $21.22 | $42.43 |
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.