Origin
Clayton, MO
Morning in Clayton on Sunday
Local time
9:22 AM
CDT
Current temp
58°F
Unavailable
Live forecast
Trip from Clayton, MO to Florissant, MO
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
20m
Distance
13.2 mi
21 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 19m
★
6 AM
0h 21m
8 AM
0h 25m
10 AM
0h 22m
12 PM
0h 22m
3 PM
0h 22m
5 PM
0h 24m
8 PM
0h 20m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Clayton, MO
Wikimedia Commons
Florissant, MO
Wikimedia Commons
Trip Overview
If you are looking for a quick connection between Clayton and Florissant, this 13.2-mile trek is a straightforward commute across the Missouri suburbs. You can expect to spend about 20 minutes behind the wheel, making this an ideal day trip that requires no overnight stay. With a fuel budget of just $2, it is a highly economical route for those traveling within the Midwest region. You will primarily utilize the Inner Belt Expressway, North Hanley Road, and West Saint Anthony Lane to reach your destination. Because the journey is so short, you have complete flexibility to depart whenever your schedule allows without worrying about complex travel logistics.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Inner Belt Expressway | 8.3 mi | 10m |
| North Hanley Road | 1 mi | 1m |
| West Saint Anthony Lane | 0.7 mi | 1m |
| South New Florissant Road | 0.6 mi | 1m |
| Wydown Boulevard | 0.6 mi | 1m |
| Graham Road | 0.5 mi | 1m |
| Forest Park Parkway | 0.3 mi | <1m |
| Shaw Park Drive | 0.3 mi | <1m |
Longest stretch:
Inner Belt Expressway
— 8.3 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Clayton, MO and Florissant, MO.
1
Start on Hillvale Drive
178 ft
·
7 sec
·
Hillvale Drive
2
Turn left onto Wydown Boulevard
0.6 mi
·
1 min
·
Wydown Boulevard
3
At end of road, turn right onto South Hanley Road
0.3 mi
·
30 sec
·
South Hanley Road
4
Turn left onto Shaw Park Drive
0.3 mi
·
33 sec
·
Shaw Park Drive
Use the straight / left / right lanes.
5
Take the ramp
294 ft
·
6 sec
Toward Forest Park Parkway West
6
Merge onto Forest Park Parkway
0.3 mi
·
39 sec
·
Forest Park Parkway
Use the straight / slight right lanes.
7
Keep slight right at fork
0.2 mi
·
36 sec
Toward I 170 North
Use the slight right lane.
8
Merge onto I 170
8.3 mi
·
10 min
·
Inner Belt Expressway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi
·
23 sec
Exit 9C
Toward North Hanley Road
Use the slight right lane.
10
Turn left onto North Hanley Road
1.0 mi
·
1 min
·
North Hanley Road
11
Continue on Graham Road
0.5 mi
·
1 min
·
Graham Road
12
Turn right onto West Saint Anthony Lane
0.7 mi
·
1 min
·
West Saint Anthony Lane
13
Turn left onto South New Florissant Road
0.6 mi
·
1 min
·
South New Florissant Road
14
Arrive at destination
North New Florissant Road
Heads-up: tricky spots
5 of 105 decision points cluster between mile 0.9 and 10.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.9 mi into trip
|
~2m in
|
Shaw Park Drive
Turn left onto Shaw Park Drive
Lane positioning matters here
Use the straight / left / right lanes.
5
1.3 mi into trip
|
~2m in
|
Forest Park Parkway
Merge onto Forest Park Parkway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
1.6 mi into trip
|
~3m in
Keep slight right at fork toward I 170 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 170 North
5
1.8 mi into trip
|
~4m in
|
I 170 / Inner Belt Expressway
Merge onto I 170 / Inner Belt Expressway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
10.2 mi into trip
|
~14m in
Take the exit toward North Hanley Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 9C
Toward North Hanley Road
Fuel & Cost
Regular Gas
$2.06 one way
$4.13 round trip
$3.97/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.27 | $4.53 |
| premium | $4.89 | $2.54 | $5.08 |
| diesel | $5.61 | $2.91 | $5.83 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4 | 0 | $1.39 | $0.63 |
| Efficient EV | 3.3 | 0 | $1.15 | $0.53 |
| EV Truck/SUV | 5.3 | 0 | $1.85 | $0.84 |
Gas CO2
5 kg
EV CO2
2 kg (60% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Florissant, MO
Morning in Florissant on Sunday
Local time
9:22 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
25 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
20m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This 20-minute drive is heavily highway-focused, with 66% of the journey spent on high-speed roads. You will settle into a rhythm quickly, as the longest stretch of your trip covers 8.3 miles on the Inner Belt Expressway. The experience transitions from the expressway's fast-paced flow to the more local feel of North Hanley Road and West Saint Anthony Lane as you approach Florissant. While you won't encounter the winding scenery of rural backroads, the route offers a reliable and efficient path for getting across the region. Expect a functional, no-nonsense drive that prioritizes speed and direct navigation over recreational cruising.
66% highway — fuel and pacing are the main things to plan.
14 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 8.3 mi on Inner Belt Expressway.
How Hard Is This Drive?
7/10
This is a straightforward highway drive that stays mostly on Inner Belt Expressway and North Hanley Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.9 miles in near Shaw Park Drive.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 10 decision points packed into just 13.2 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 20m.
Where does it get tricky?
The main spots that need attention: at 0.9 miles (Shaw Park Drive): Lane positioning matters here; at 1.3 miles (Forest Park Parkway): Merge point - match speed before joining. Lane positioning matters here; at 1.6 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
651 ft
512 ft
Total Climb
295 ft
Total Descent
280 ft
Highest Point
651 ft
~5.9 mi in
Elevation Range
139 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Clayton, MO to Florissant, MO, road signs begin pointing toward Forest Park Parkway West along the way.
Forest Park Parkway West
1.2 mi in
|
~2m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 20m. Total distance: 13.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
20m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (66%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 8.3 miles on Inner Belt Expressway. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Florissant, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.9 miles (Shaw Park Drive): Lane positioning matters here; at 1.3 miles (Forest Park Parkway): Merge point - match speed before joining. Lane positioning matters here; at 1.6 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Florissant, MO before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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