Origin
Crestwood, MO
Night in Crestwood on Friday
Local time
10:07 PM
CDT
Current temp
55°F
Unavailable
Live forecast
Trip from Crestwood, MO to Florissant, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
31m
Distance
18.8 mi
30 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 29m
★
6 AM
0h 31m
8 AM
0h 37m
10 AM
0h 33m
12 PM
0h 33m
3 PM
0h 34m
5 PM
0h 37m
8 PM
0h 30m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Crestwood, MO
Theodore Nguyen
Florissant, MO
Wikimedia Commons
Trip Overview
This short 18.8-mile drive from Crestwood, MO to Florissant, MO is a manageable trip, estimated to take around 31 minutes. With a fuel cost of about $3, it's an economical option for a single-day excursion within the Midwest region. The route primarily utilizes the Inner Belt Expressway, South Elm Avenue, and South Brentwood Boulevard, offering a mixed driving experience. Given its brevity, this route is perfectly suited for a day trip, allowing for plenty of flexibility in your schedule without the need for an overnight stay.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 31m. Total distance: 18.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
31m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (50%). Straightforward navigation.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
You'll find this drive to be a mix of speeds, with about 50% of the journey on highways. The longest continuous stretch you'll encounter is 9.3 miles on the Inner Belt Expressway, providing a good period of consistent travel. As you transition between the Inner Belt Expressway and surface streets like South Elm Avenue and South Brentwood Boulevard, expect the pace to change, offering a varied driving experience that keeps things interesting. The overall profile is a mixed drive, reflecting these shifts in road type and traffic.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Inner Belt Expressway is the longest continuous segment at about 9.3 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.3 miles in near South Elm Avenue.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 31m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 1.3 miles (South Elm Avenue): Navigation decision point; at 6.1 miles: Navigation decision point; at 6.5 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 7 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
3
1.3 mi into trip
|
~2m in
|
South Elm Avenue
Turn left onto South Elm Avenue
Navigation decision point
5
6.1 mi into trip
|
~12m in
Turn left toward I 170 North
Navigation decision point
Toward I 170 North
5
6.5 mi into trip
|
~13m 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
15.8 mi into trip
|
~25m 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
4
18.2 mi into trip
|
~30m in
|
South New Florissant Road
Turn left onto South New Florissant Road
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Inner Belt Expressway | 9.3 mi | 11m |
| South Elm Avenue | 2.4 mi | 5m |
| South Brentwood Boulevard | 1.6 mi | 3m |
| Watson Road | 1.3 mi | 2m |
| North Hanley Road | 1 mi | 1m |
| West Saint Anthony Lane | 0.7 mi | 1m |
| South New Florissant Road | 0.6 mi | 1m |
| Graham Road | 0.5 mi | 1m |
Longest stretch:
Inner Belt Expressway
— 9.3 mi, about 11m
Turn-by-Turn Driving Directions
Step-by-step road directions between Crestwood, MO and Florissant, MO.
1
Start on MO 366
1.3 mi
·
2 min
·
Watson Road
2
Turn left onto South Elm Avenue
2.4 mi
·
5 min
·
South Elm Avenue
3
Turn right onto East Kirkham Avenue
0.5 mi
·
55 sec
·
East Kirkham Avenue
4
Continue on South Brentwood Boulevard
1.6 mi
·
3 min
·
South Brentwood Boulevard
5
Turn right onto Eager Road
0.2 mi
·
32 sec
·
Eager Road
6
Turn left
0.4 mi
·
32 sec
Toward I 170 North
7
Merge onto I 170
9.3 mi
·
11 min
·
Inner Belt Expressway
Use the straight / slight right lanes.
8
Take the exit
0.2 mi
·
23 sec
Exit 9C
Toward North Hanley Road
Use the slight right lane.
9
Turn left onto North Hanley Road
1.0 mi
·
1 min
·
North Hanley Road
10
Continue on Graham Road
0.5 mi
·
1 min
·
Graham Road
11
Turn right onto West Saint Anthony Lane
0.7 mi
·
1 min
·
West Saint Anthony Lane
12
Turn left onto South New Florissant Road
0.6 mi
·
1 min
·
South New Florissant Road
13
Arrive at destination
North New Florissant Road
Fuel & Cost
Regular Gas
$2.94 one way
$5.88 round trip
$3.97/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $3.23 | $6.45 |
| premium | $4.89 | $3.62 | $7.24 |
| diesel | $5.61 | $4.15 | $8.30 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.6 | 0 | $1.97 | $0.90 |
| Efficient EV | 4.7 | 0 | $1.65 | $0.75 |
| EV Truck/SUV | 7.5 | 0 | $2.63 | $1.20 |
Gas CO2
7 kg
EV CO2
2 kg (71% 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
Night in Florissant on Friday
Local time
10:07 PM
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
28 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
31m 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.
Frequently Asked Questions
The drive from Crestwood, MO to Florissant, MO covers 18.8 miles and takes about 31m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Inner Belt Expressway, South Elm Avenue, South Brentwood Boulevard. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 9.4 miles from Crestwood, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.94 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 31m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 1.3 miles (South Elm Avenue): Navigation decision point; at 6.1 miles: Navigation decision point; at 6.5 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here.
The route from Crestwood, MO to Florissant, MO does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Gateway Arch National Park.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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