How far is Saint Peters, MO from Fenton, MO?
The driving distance from Saint Peters, MO to Fenton, MO is about 31.6 miles (50.8 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 22.4 miles (36 km).
- For a round trip, plan for roughly 01h 27m 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 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Peters and Fenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Fenton.
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1
Start on the route
1.2 mi · 1 min
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2
Take the exit slight right toward MO 79: Elsberry, Louisiana
725 ft · 15 sec
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3
Keep slight left to continue on MO 79
117 m · 15 sec
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4
Turn left
652 ft · 11 sec
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5
Take the ramp slight right toward I 70 East
1294 ft · 19 sec
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6
Merge slight left
11.9 mi · 15 min
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7
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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8
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
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9
Continue on I 270 South: Memphis
723 ft · 10 sec
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10
Merge slight left
13.4 mi · 17 min
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11
Take the exit slight right toward I 44 West, US 50 West: Tulsa
1.5 km · 2 min
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12
Continue on Soccer Park Road, North Highway Drive
1053 ft · 22 sec
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13
Keep slight right to continue on Soccer Park Road, North Highway Drive
20 m · 1 sec
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14
Keep slight right to continue on Soccer Park Road
75 m · 5 sec
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15
Turn slight right onto Soccer Park Road
1917 ft · 47 sec · Soccer Park Road
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16
Continue on Yarnell Road
1.2 mi · 3 min · Yarnell Road
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17
Continue on Larkin Williams Road
1.5 km · 2 min · Larkin Williams Road
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18
Turn right onto Ferry Street
102 m · 15 sec · Ferry Street
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19
Turn left onto Main Street
108 m · 16 sec · Main Street
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20
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Saint Peters 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.
I 270 South
Merge slight left
13.4 mi · 00h 17m
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.
Mostly Sunny leaving Saint Peters and Mostly Sunny near Fenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Peters to Fenton?
The road trip is about 31.6 miles (50.8 km) and usually takes 00h 43m 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?
Maryland Heights is a useful midpoint, sitting about 15.8 miles from Saint Peters and 15.8 miles from Fenton.
How much longer is the road route than the straight-line distance?
The direct path is about 22.4 miles (36 km), while the road route adds roughly 9.2 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 7:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.19 one way or $8.37 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Saint Peters and Mostly Sunny near Fenton.
Stop Ideas Near Maryland Heights
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 Maryland Heights.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Peters and Fenton. Straight-line distance: 22.35 mi (35.97 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.19 | $8.37 |
| Mid-grade | $4.25 | $4.72 | $9.44 |
| Premium | $4.65 | $5.17 | $10.33 |
| Diesel | $5.30 | $5.89 | $11.77 |
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.