How far is Saint Louis, MI from St. Louis, MO?
The driving distance from Saint Louis, MI to St. Louis, MO is about 536.7 miles (863.8 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 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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.
City in Illinois, United States of America
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 St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Louis and St. Louis.
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1
Start on North Main Street
1 mi · 2 min · North Main Street
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2
Continue on North State Road
1.3 km · 1 min · North State Road
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3
Take the ramp slight right toward US 127 SOUTH: Lansing
41.5 mi · 44 min
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4
Take the exit slight right toward I 69, to I 96: Grand Rapids, Flint
1971 ft · 23 sec
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5
Keep slight right to continue on I 69 West, to I 96 West: Grand Rapids
1.2 km · 1 min
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6
Merge slight left
14.4 mi · 15 min
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7
Keep slight right to continue on I 69 South: Charlotte, Fort Wayne
34.4 mi · 37 min
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8
Take the exit slight right toward I 94: Chicago, Detroit
839 ft · 20 sec
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9
Keep slight right to continue on I 94 West: Chicago
152.8 mi · 2 hr 49 min
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10
Take the exit slight right toward US 41 North: Calumet Avenue, Hammond, Munster
1047 ft · 16 sec
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11
Keep slight left to continue on Calumet Avenue South
1187 ft · 18 sec
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12
Keep slight left
1805 ft · 28 sec
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13
Merge slight left onto Borman Expressway
2724 ft · 42 sec · Borman Expressway
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14
Continue on Kingery Expressway
1.3 km · 1 min · Kingery Expressway
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15
Take the exit slight right toward IL 394 South, I 94 West: Danville, Chicago
1.5 mi · 2 min
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16
Keep slight left to continue on I 80 West, I 294 North
1703 ft · 26 sec
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17
Merge slight left onto Tri-State Tollway
4.8 mi · 7 min · Tri-State Tollway
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18
Keep slight right to continue on I 80 West: Iowa
29.8 mi · 37 min
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19
Take the exit slight right toward I 55 South: Saint Louis
1900 ft · 54 sec
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20
Merge slight left
93 mi · 1 hr 40 min
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21
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
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22
Keep slight left to continue on I 55 South: Saint Louis
89.3 mi · 1 hr 37 min
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23
Keep slight left to continue on I 55 South, I 64, IL 3, US 40 West: Louisville, Saint Louis
1.1 km · 1 min
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24
Merge slight left
1 mi · 2 min
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25
Keep slight right to continue on IL 3 South: Cahokia
1.6 mi · 2 min
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26
Keep slight left to continue on Jack Buck Memorial Highway
2251 ft · 35 sec · Jack Buck Memorial Highway
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27
Take the exit slight right toward Stadium, 9th Street, Tucker Boulevard
1813 ft · 1 min
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28
Turn left onto South 9th Street
846 ft · 38 sec · South 9th Street
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29
At the end of the road, turn left onto Market Street
1021 ft · 29 sec · Market Street
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30
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Saint Louis and St. Louis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 94 West
Keep slight right to continue on I 94 West: Chicago
153 mi · 02h 49m
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 Saint Louis and Sunny near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Louis to St. Louis?
The road trip is about 536.7 miles (863.8 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?
Mokena is a useful midpoint, sitting about 268.2 miles from Saint Louis and 268.5 miles from St. 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 96.4 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 EDT. 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 $71.42 one way or $142.85 round trip. Estimated CO2 is about 168.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Saint Louis and St. Louis, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Saint Louis and Sunny near St. Louis.
Stop Ideas Near Mokena
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 Mokena.
Joliet Transportation Center
Homewood
Summit
Dyer station
Flight Path Map
This map shows the direct air route between Saint Louis and St. Louis. Straight-line distance: 440.33 mi (708.65 km).
#1 Saint Louis
City in Michigan, United States
| Population | 7,086 |
| Coordinates | 43.4083600, -84.6066700 |
| Altitude | 223 |
| Country | United States |
#2 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 |
End: St. Louis (-90.19789, 38.62727)
Estimated Travel Time
Distance: 864 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 53m |
| 40 mph (64.37 km/h) | 13h 25m |
| 50 mph (80.47 km/h) | 10h 44m |
| 60 mph (96.56 km/h) | 08h 56m |
| 70 mph (112.65 km/h) | 07h 40m |
| 80 mph (129 km/h) | 06h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $71.42 | $142.85 |
| Mid-grade | $4.25 | $80.55 | $161.10 |
| Premium | $4.65 | $88.15 | $176.29 |
| Diesel | $5.30 | $100.46 | $200.92 |
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.