How far is St. Louis, MO from Fenton, MO?
The driving distance from St. Louis, MO to Fenton, MO is about 18.8 miles (30.3 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 15.1 miles (24.3 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between St. Louis and Fenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Fenton.
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1
Start on Market Street
1.6 km · 2 min · Market Street
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2
Turn left onto South Jefferson Avenue
1.2 mi · 3 min · South Jefferson Avenue
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3
Take the ramp straight toward I 44 West
1051 ft · 17 sec
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4
Merge slight left onto Officer David Haynes Memorial Highway
2.3 mi · 3 min · Officer David Haynes Memorial Highway
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5
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
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6
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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7
Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway
3.5 mi · 4 min · Police Officer Ernest M. Brockman Sr. Memorial Highway
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8
Continue on Henry Shaw Ozark Corridor
1.2 km · 58 sec · Henry Shaw Ozark Corridor
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9
Take the exit slight right toward North Highway Drive, Soccer Park Road
1.2 km · 1 min
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10
Continue on Soccer Park Road, North Highway Drive
1053 ft · 22 sec
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11
Keep slight right to continue on Soccer Park Road, North Highway Drive
20 m · 1 sec
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12
Keep slight right to continue on Soccer Park Road
75 m · 5 sec
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13
Turn slight right onto Soccer Park Road
1917 ft · 47 sec · Soccer Park Road
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14
Continue on Yarnell Road
1.2 mi · 3 min · Yarnell Road
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15
Continue on Larkin Williams Road
1.5 km · 2 min · Larkin Williams Road
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16
Turn right onto Ferry Street
102 m · 15 sec · Ferry Street
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17
Turn left onto Main Street
108 m · 16 sec · Main Street
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18
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between St. Louis and Fenton.
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.
Police Officer Ernest M. Brockman Sr. Memorial H
Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway
3.53 mi · 00h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving St. Louis and Mostly Clear near Fenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Fenton?
The road trip is about 18.8 miles (30.3 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Shrewsbury is a useful midpoint, sitting about 9.4 miles from St. Louis and 9.4 miles from Fenton.
How much longer is the road route than the straight-line distance?
The direct path is about 15.1 miles (24.3 km), while the road route adds roughly 3.7 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.49 one way or $4.98 round trip. Estimated CO2 is about 5.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around St. Louis and Mostly Clear near Fenton.
Stop Ideas Near Shrewsbury
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 Shrewsbury.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Fenton. Straight-line distance: 15.09 mi (24.28 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 Fenton
Suburb city of St.
| Population | 4,027 |
| Coordinates | 38.5131100, -90.4359500 |
| Altitude | 132 |
| Country | United States |
End: Fenton (-90.43595, 38.51311)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.49 | $4.98 |
| Mid-grade | $4.25 | $2.81 | $5.61 |
| Premium | $4.65 | $3.07 | $6.14 |
| Diesel | $5.30 | $3.50 | $7.00 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.