How far is St. Louis, MO from Saint Louis, MI?
The driving distance from St. Louis, MO to Saint Louis, MI is about 523.8 miles (842.9 km), with a travel time of about 09h 55m by car.
- The straight-line flight distance is about 440.3 miles (708.6 km).
- For a round trip, plan for roughly 19h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 09h 55m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
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 St. Louis and Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Saint Louis.
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1
Start on Market Street
2706 ft · 1 min · Market Street
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2
Turn left onto North 4th Street
2307 ft · 2 min · North 4th Street
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3
Turn right onto Convention Plaza
75 m · 10 sec · Convention Plaza
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4
Continue on Doctor Martin Luther King Bridge
1.4 mi · 2 min · Doctor Martin Luther King Bridge
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5
Take the ramp slight left toward I 55 North: Chicago, Indianapolis
2846 ft · 54 sec
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6
Merge slight right
699 ft · 12 sec
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7
Keep slight left to continue on I 55 North: Chicago, Indianapolis
3128 ft · 54 sec
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8
Merge slight right
15.5 mi · 18 min
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9
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
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10
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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11
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
93.9 mi · 1 hr 41 min
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12
Take the exit slight right toward I 80 East: Indiana
1.2 km · 1 min
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13
Merge slight left
28.4 mi · 35 min
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14
Keep slight left
87.5 mi · 1 hr 41 min
-
15
Keep slight right to continue on I 196 North, US 31 North: South Haven, Holland, Grand Rapids
45.3 mi · 49 min
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16
Keep slight right to continue on Gerald R Ford Freeway
32 mi · 35 min · Gerald R Ford Freeway
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17
Take the exit slight left
1700 ft · 33 sec
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18
Merge slight right
33.5 mi · 35 min
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19
Take the exit slight right toward M 46
2891 ft · 1 min
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20
Turn right onto West Edgar Road
1.6 mi · 2 min · West Edgar Road
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21
Continue on Howard City Edmore Road
21 mi · 29 min · Howard City Edmore Road
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22
Continue on Howard City-Edmore Road
960 ft · 20 sec · Howard City-Edmore Road
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23
Continue on West Main Street
1.3 mi · 3 min · West Main Street
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24
Continue on Howard City Edmore Road Northeast
9.1 mi · 12 min · Howard City Edmore Road Northeast
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25
Continue on Northwest Monroe Road
2394 ft · 37 sec · Northwest Monroe Road
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26
Continue on West Monroe Road
11 mi · 15 min · West Monroe Road
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27
Continue on West Washington Avenue
3042 ft · 1 min · West Washington Avenue
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28
Turn left onto North Main Street
53 m · 6 sec · North Main Street
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29
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between St. Louis and Saint Louis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
108 mi · 01h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving St. Louis 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 St. Louis to Saint Louis?
The road trip is about 523.8 miles (842.9 km) and usually takes 09h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
New Lenox is a useful midpoint, sitting about 261.8 miles from St. Louis and 262 miles from Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 440.3 miles (708.6 km), while the road route adds roughly 83.5 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $69.69 one way or $139.38 round trip. Estimated CO2 is about 164.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between St. Louis and Saint Louis, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around St. Louis and Sunny near Saint Louis.
Stop Ideas Near New Lenox
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 New Lenox.
Joliet Transportation Center
Homewood
Naperville
Summit
Flight Path Map
This map shows the direct air route between St. Louis and Saint Louis. Straight-line distance: 440.33 mi (708.65 km).
#1 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| 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: 843 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 27m |
| 40 mph (64.37 km/h) | 13h 05m |
| 50 mph (80.47 km/h) | 10h 28m |
| 60 mph (96.56 km/h) | 08h 43m |
| 70 mph (112.65 km/h) | 07h 28m |
| 80 mph (129 km/h) | 06h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $69.69 | $139.38 |
| Mid-grade | $4.25 | $78.60 | $157.19 |
| Premium | $4.65 | $86.01 | $172.01 |
| Diesel | $5.30 | $98.02 | $196.04 |
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 Missouri · 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.