How far is St. Louis, MO from Smithville, MO?
The driving distance from St. Louis, MO to Smithville, MO is about 268.7 miles (432.5 km), with a travel time of about 05h 11m by car.
- The straight-line flight distance is about 241.1 miles (388 km).
- For a round trip, plan for roughly 10h 23m 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 05h 11m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between St. Louis and Smithville.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Smithville.
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1
Start on Market Street
1.6 mi · 3 min · Market Street
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2
Take the ramp slight left toward I 64 West, US 40 West: Wentzville
1531 ft · 24 sec
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3
Merge slight left onto Jack Buck Memorial Highway
4.3 mi · 6 min · Jack Buck Memorial Highway
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4
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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5
Continue on Avenue of the Saints
27.8 mi · 34 min · Avenue of the Saints
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6
Take the exit slight left toward I 70 West, US 40 West: Kansas City
3047 ft · 1 min
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7
Merge slight left onto Dwight D Eisenhower Highway
80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway
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8
Continue on Sheriff Roger I. Wilson Memorial Highway
2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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9
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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10
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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11
Continue on U.S. Submarine Veterans' Memorial Highway
54.4 mi · 58 min · U.S. Submarine Veterans' Memorial Highway
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12
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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13
Continue on Truman/Eisenhower Presidential Highway
2.7 mi · 3 min · Truman/Eisenhower Presidential Highway
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14
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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15
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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16
Continue on George Brett Super Highway
1.4 km · 58 sec · George Brett Super Highway
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17
Take the exit slight right toward I 435 North, US 24 East: Des Moines
1.1 mi · 2 min
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18
Merge slight left onto Lamar Hunt Memorial Highway
7.8 mi · 9 min · Lamar Hunt Memorial Highway
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19
Continue on I435 N
1.3 mi · 1 min · I435 N
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20
Continue straight
11.3 mi · 12 min
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21
Take the exit slight right toward US 169 North: Smithville
3082 ft · 1 min
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22
Merge slight left
5 mi · 8 min
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23
Turn right onto West Main Street
1042 ft · 38 sec · West Main Street
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24
Turn right
21 m · 5 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Louis and Smithville.
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
Merge slight left onto Dwight D Eisenhower Highway
80.7 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.
Mostly Sunny leaving St. Louis and Showers And Thunderstorms Likely near Smithville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Smithville?
The road trip is about 268.7 miles (432.5 km) and usually takes 05h 11m 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 134.1 miles from St. Louis and 134.6 miles from Smithville.
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 27.6 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 6:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.75 one way or $71.50 round trip. Estimated CO2 is about 84.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Showers And Thunderstorms Likely near Smithville.
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 St. Louis and Smithville. Straight-line distance: 241.09 mi (388 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 Smithville
City in Tennessee
| Population | 11,011 |
| Coordinates | 39.3869400, -94.5810700 |
| Altitude | 248 |
| Country | United States |
End: Smithville (-94.58107, 39.38694)
Estimated Travel Time
Distance: 432 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 57m |
| 40 mph (64.37 km/h) | 06h 43m |
| 50 mph (80.47 km/h) | 05h 22m |
| 60 mph (96.56 km/h) | 04h 28m |
| 70 mph (112.65 km/h) | 03h 50m |
| 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 | $35.75 | $71.50 |
| Mid-grade | $4.25 | $40.32 | $80.64 |
| Premium | $4.65 | $44.12 | $88.24 |
| Diesel | $5.30 | $50.28 | $100.56 |
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.