Origin
Florissant, MO
Late night in Florissant on Saturday
Local time
3:44 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Trip from Florissant, MO to Crestwood, 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
19.9 mi
32 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 33m
5 PM
0h 36m
8 PM
0h 30m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Florissant, MO
Wikimedia Commons
Crestwood, MO
Theodore Nguyen
Trip Overview
The drive from Florissant, MO to Crestwood, MO covers 19.9 miles and takes about 31m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Inner Belt Expressway, South Brentwood Boulevard, North Elm Avenue for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 10.4 miles on Inner Belt Expressway. At current regular gas prices, budget about $3.11 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 31m. Total distance: 19.9 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 (52%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from Florissant, MO to Crestwood, MO covers 19.9 miles and takes about 31m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 21 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 10.4 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.1 miles in.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 19.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 31m.
Where does it get tricky?
The main spots that need attention: at 2.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 13 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.2 miles: Highway fork - watch signs carefully.
Critical Maneuvers
5 of 15 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
7
2.1 mi into trip
|
~4m in
Take the exit toward I 170 South: Clayton
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 170 South: Clayton
8
13 mi into trip
|
~17m in
Take the exit toward Brentwood Boulevard North, Eager Road
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 1C
Toward Brentwood Boulevard North, Eager Road
6
13.2 mi into trip
|
~17m in
Keep slight left at fork toward Eager Road
Highway fork - watch signs carefully
Toward Eager Road
7
17.8 mi into trip
|
~26m in
Take the exit toward Berry Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 279
Toward Berry Road
5
18.8 mi into trip
|
~29m in
|
Sappington Road
Turn left onto Sappington Road
Lane positioning matters here
Use the straight / right lanes.
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 Florissant, MO to Crestwood, MO, road signs begin pointing toward Brentwood Boulevard North along the way.
Brentwood Boulevard North
13 mi in
|
~17m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Inner Belt Expressway | 10.4 mi | 12m |
| South Brentwood Boulevard | 1.7 mi | 3m |
| North Elm Avenue | 1.3 mi | 2m |
| North New Florissant Road | 1.2 mi | 2m |
| Sappington Road | 1 mi | 1m |
| Police Officer Ernest M. Brockman Sr. Memorial Highway | 0.6 mi | <1m |
| Big Bend Road | 0.6 mi | 1m |
| East Kirkham Avenue | 0.5 mi | <1m |
Longest stretch:
Inner Belt Expressway
— 10.4 mi, about 12m
Turn-by-Turn Driving Directions
Step-by-step road directions between Florissant, MO and Crestwood, MO.
1
Start on North New Florissant Road
1.2 mi
·
2 min
·
North New Florissant Road
2
Turn right onto Dunn Road
0.2 mi
·
29 sec
·
Dunn Road
Use the right lane.
3
Take the ramp
0.2 mi
·
30 sec
Toward I 270 West
4
Merge onto I 270
0.5 mi
·
36 sec
·
Rosemary Straub Davison Highway
5
Take the exit
0.5 mi
·
46 sec
Exit 26A
Toward I 170 South: Clayton
Use the straight / slight right lanes.
6
Continue on I 170
10 mi
·
12 min
·
Inner Belt Expressway
Use the slight left / straight lanes.
7
Take the exit
0.2 mi
·
21 sec
Exit 1C
Toward Brentwood Boulevard North, Eager Road
Use the straight / slight right lanes.
8
Keep slight left at fork
512 ft
·
10 sec
Toward Eager Road
9
Continue on this road
398 ft
·
8 sec
·
this road
Exit 1C
Toward Eager Road
10
Turn right onto Eager Road
0.2 mi
·
27 sec
·
Eager Road
11
Turn left onto South Brentwood Boulevard
1.7 mi
·
3 min
·
South Brentwood Boulevard
12
Continue on East Kirkham Avenue
0.5 mi
·
56 sec
·
East Kirkham Avenue
13
Turn left onto North Elm Avenue
1.3 mi
·
2 min
·
North Elm Avenue
14
Take the ramp
0.2 mi
·
13 sec
Toward I 44 West
15
Continue on I 44
0.6 mi
·
48 sec
·
Police Officer Ernest M. Brockman Sr. Memorial Highway
16
Take the exit
0.2 mi
·
29 sec
Exit 279
Toward Berry Road
Use the slight right lane.
17
Turn left onto Berry Road
0.2 mi
·
32 sec
·
Berry Road
18
Turn right onto Big Bend Road
0.6 mi
·
1 min
·
Big Bend Road
19
Turn left onto Sappington Road
1.0 mi
·
1 min
·
Sappington Road
Use the straight / right lanes.
20
Turn left onto MO 366
0.1 mi
·
15 sec
·
Watson Road
Use the left lane.
21
Arrive at destination
MO 366
Fuel & Cost
Regular Gas
$3.11 one way
$6.22 round trip
$3.97/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $3.42 | $6.83 |
| premium | $4.89 | $3.83 | $7.66 |
| diesel | $5.61 | $4.39 | $8.79 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 7 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 | 6 | 0 | $2.09 | $0.96 |
| Efficient EV | 5 | 0 | $1.74 | $0.80 |
| EV Truck/SUV | 8 | 0 | $2.79 | $1.27 |
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
Crestwood, MO
Late night in Crestwood on Saturday
Local time
3:44 AM
CDT
Current temp
55°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 cooler 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 Florissant, MO to Crestwood, MO covers 19.9 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 Brentwood Boulevard, North Elm Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 10 miles from Florissant, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.11 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 short but busy drive. With 15 decision points packed into just 19.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 31m.
The main spots that need attention: at 2.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 13 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.2 miles: Highway fork - watch signs carefully.
On the drive from Florissant, MO to Crestwood, MO, road signs begin pointing toward Brentwood Boulevard North along the way.
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.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Crestwood, MO
More trips to Crestwood, MO
Explore more options from Florissant, MO or browse trips ending in Crestwood, MO.
Looking for more statewide routes? Browse MO road trips.