How far is Saint Louis, MI from Flint, MI?
The driving distance from Saint Louis, MI to Flint, MI is about 92.5 miles (148.8 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 53.7 miles (86.5 km).
- For a round trip, plan for roughly 02h 42m 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 21m.
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.
Unincorporated community in Michigan, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Saint Louis and Flint.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Louis and Flint.
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1
Start on North Main Street
53 m · 13 sec · North Main Street
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2
Turn left onto East Washington Street
3137 ft · 1 min · East Washington Street
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3
Continue on East Monroe Road
5.4 mi · 7 min · East Monroe Road
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4
Continue on West Saginaw Street
1.6 km · 2 min · West Saginaw Street
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5
Continue on East Monroe Road
5 mi · 7 min · East Monroe Road
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6
Continue on Gratiot Road
1.2 mi · 2 min · Gratiot Road
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7
Continue on West Saginaw Street
1.3 km · 2 min · West Saginaw Street
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8
Continue on East Saginaw Street
2327 ft · 49 sec · East Saginaw Street
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9
Continue on Gratiot Road
4.1 mi · 5 min · Gratiot Road
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10
Continue on North Saginaw Street
903 ft · 12 sec · North Saginaw Street
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11
Continue on West Saginaw Street
2970 ft · 38 sec · West Saginaw Street
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12
Continue on Gratiot Road
11.4 mi · 13 min · Gratiot Road
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13
Continue on Gratiot Avenue
1.2 mi · 1 min · Gratiot Avenue
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14
Turn right onto Stephens Street
2261 ft · 31 sec · Stephens Street
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15
Continue on Rust Street
141 m · 6 sec · Rust Street
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16
Continue on Rust Avenue Bridge
1.6 mi · 2 min · Rust Avenue Bridge
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17
Continue on South Warren Avenue
1599 ft · 24 sec · South Warren Avenue
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18
Turn right onto East Holland Avenue
2 mi · 2 min · East Holland Avenue
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19
Enter the roundabout and take exit 2 toward I 75 South, US 23 South: Flint
72 m · 14 sec
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20
Exit the roundabout onto I 75 South, US 23 South: Flint
1338 ft · 46 sec
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21
Merge slight left
23.2 mi · 25 min
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22
Keep slight right to continue on UAW Freeway
10 mi · 11 min · UAW Freeway
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23
Take the exit slight right toward M 21
1294 ft · 32 sec
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24
Continue on Chavez Drive
1218 ft · 35 sec · Chavez Drive
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25
Turn right onto East Court Street
1317 ft · 32 sec · East Court Street
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26
Turn left
21 m · 7 sec
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27
Turn right
28 m · 7 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Louis and Flint.
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 South
Merge slight left
23.2 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.
Sunny leaving Saint Louis and Sunny near Flint.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Louis to Flint?
The road trip is about 92.5 miles (148.8 km) and usually takes 01h 21m 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?
Buena Vista is a useful midpoint, sitting about 35.2 miles from Saint Louis and 57.2 miles from Flint.
How much longer is the road route than the straight-line distance?
The direct path is about 53.7 miles (86.5 km), while the road route adds roughly 38.8 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 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.29 one way or $24.59 round trip. Estimated CO2 is about 29 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Louis and Sunny near Flint.
Stop Ideas Near Buena Vista
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Bay City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Buena Vista.
Saginaw, MI
Bay City, MI
Flint station
Owosso, MI
Flight Path Map
This map shows the direct air route between Saint Louis and Flint. Straight-line distance: 53.77 mi (86.53 km).
#1 Saint Louis
City in Michigan, United States
| Population | 7,086 |
| Coordinates | 43.4083600, -84.6066700 |
| Altitude | 223 |
| Country | United States |
#2 Flint
The largest city in Genesee County, Michigan.
| Population | 94,968 |
| Coordinates | 43.0125300, -83.6874600 |
| Altitude | 229 |
| Country | United States |
End: East Court Street (-83.687592, 43.012684)
Estimated Travel Time
Distance: 149 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 04m |
| 40 mph (64.37 km/h) | 02h 18m |
| 50 mph (80.47 km/h) | 01h 50m |
| 60 mph (96.56 km/h) | 01h 32m |
| 70 mph (112.65 km/h) | 01h 19m |
| 80 mph (129 km/h) | 01h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.29 | $24.59 |
| Mid-grade | $4.25 | $13.86 | $27.73 |
| Premium | $4.65 | $15.17 | $30.34 |
| Diesel | $5.30 | $17.29 | $34.58 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.