How far is Smithville, MO from St. Louis, MO?
The driving distance from Smithville, MO to St. Louis, MO is about 269.7 miles (434.1 km), with a travel time of about 04h 04m by car.
- The straight-line flight distance is about 241.1 miles (388 km).
- For a round trip, plan for roughly 08h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 04m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Smithville and St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithville and St. Louis.
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1
Start on the route
21 m · 11 sec
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2
Turn left onto West Main Street
1042 ft · 41 sec · West Main Street
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3
Turn left
5.4 mi · 8 min
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4
Take the exit slight right toward I 435 East: Saint Louis
1534 ft · 53 sec
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5
Merge slight left
21.1 mi · 23 min
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6
Keep slight right to continue on I 70, US 24 West, US 40: Saint Louis, Kansas City, Sports Complex
1500 ft · 23 sec
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7
Keep slight left to continue on I 70 East: Saint Louis
1.2 mi · 2 min
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8
Keep slight left to continue on I 70 East: Saint Louis
143 m · 12 sec
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9
Merge slight left onto George Brett Super Highway
2213 ft · 29 sec · George Brett Super Highway
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10
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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11
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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12
Continue on Truman/Eisenhower Presidential Highway
2.6 mi · 3 min · Truman/Eisenhower Presidential Highway
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13
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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14
Continue on U.S. Submarine Veterans' Memorial Highway
32 mi · 34 min · U.S. Submarine Veterans' Memorial Highway
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15
Keep slight left to continue on U.S. Submarine Veterans' Memorial Highway
22.4 mi · 24 min · U.S. Submarine Veterans' Memorial Highway
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16
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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17
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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18
Continue on Sheriff Roger I. Wilson Memorial Highway
1.9 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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19
Continue on Dwight D. Eisenhower Highway
81 mi · 1 hr 35 min · Dwight D. Eisenhower Highway
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20
Take the exit slight right toward I 64 East, US 40 East, US 61 South: Chesterfield
1567 ft · 33 sec
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21
Merge slight left onto Avenue of the Saints
27.7 mi · 34 min · Avenue of the Saints
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22
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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23
Continue on Jack Buck Memorial Highway
5.8 mi · 7 min · Jack Buck Memorial Highway
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24
Take the exit slight right toward 14th Street
1115 ft · 34 sec
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25
Turn left onto South 14th Street
1715 ft · 42 sec · South 14th Street
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26
Turn right onto Market Street
956 ft · 25 sec · Market Street
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27
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Smithville and St. 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.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
81 mi · 01h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Showers And Thunderstorms Likely leaving Smithville and Mostly Sunny near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithville to St. Louis?
The road trip is about 269.7 miles (434.1 km) and usually takes 04h 04m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Rocheport is a useful midpoint, sitting about 134.7 miles from Smithville and 135.1 miles from St. Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 241.1 miles (388 km), while the road route adds roughly 28.6 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.90 one way or $71.80 round trip. Estimated CO2 is about 84.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Smithville and Mostly Sunny near St. Louis.
Stop Ideas Near Rocheport
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 Rocheport.
Jefferson City
Sedalia
Hermann
Warrensburg
Flight Path Map
This map shows the direct air route between Smithville and St. Louis. Straight-line distance: 241.09 mi (388 km).
#1 Smithville
City in Tennessee
| Population | 11,011 |
| Coordinates | 39.3869400, -94.5810700 |
| Altitude | 248 |
| 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: Market Street (-90.197859, 38.627348)
Estimated Travel Time
Distance: 434 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 59m |
| 40 mph (64.37 km/h) | 06h 44m |
| 50 mph (80.47 km/h) | 05h 23m |
| 60 mph (96.56 km/h) | 04h 29m |
| 70 mph (112.65 km/h) | 03h 51m |
| 80 mph (129 km/h) | 03h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.90 | $71.80 |
| Mid-grade | $4.25 | $40.49 | $80.98 |
| Premium | $4.65 | $44.31 | $88.61 |
| Diesel | $5.30 | $50.49 | $100.99 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.