Origin
Mehlville, MO
Late night in Mehlville on Sunday
Local time
5:25 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Mehlville, 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
39m
Distance
29.2 mi
47 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 36m
★
6 AM
0h 40m
8 AM
0h 46m
10 AM
0h 42m
12 PM
0h 41m
3 PM
0h 42m
5 PM
0h 46m
8 PM
0h 38m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mehlville, MO
Mikhail Nilov
Florissant, MO
Wikimedia Commons
Trip Overview
This straightforward 29.2-mile drive from Mehlville, MO to Florissant, MO is easily manageable as a single-day trip, taking approximately 39 minutes to complete. With a highway share of 87%, you'll spend most of your time on I 270, North Lindbergh Boulevard, and West Washington Street. The estimated fuel cost for this journey is around $5, making it an economical option. Given its short duration and focused highway profile, this route is perfect for a quick transit between Midwest locations without the need for an overnight stay. It's a practical choice for efficient travel within Missouri.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 24.9 mi | 31m |
| North Lindbergh Boulevard | 1.8 mi | 3m |
| West Washington Street | 1 mi | 2m |
| I 255 | 0.6 mi | <1m |
| Lemay Ferry Road | 0.4 mi | <1m |
| North New Florissant Road | <0.1 mi | <1m |
Longest stretch:
I 270
— 24.9 mi, about 31m
Turn-by-Turn Driving Directions
Step-by-step road directions between Mehlville, MO and Florissant, MO.
1
Start on MO 267
0.4 mi
·
56 sec
·
Lemay Ferry Road
2
Take the ramp
0.2 mi
·
32 sec
Toward I 270 West
Use the left lane.
3
Merge onto I 255
0.6 mi
·
43 sec
·
I 255
Use the straight lane.
4
Continue on I 270
25 mi
·
31 min
·
I 270
Use the straight lane.
5
Take the exit
0.3 mi
·
44 sec
Exit 25
Toward US 67
Use the straight / slight right lanes.
6
Turn left onto US 67
1.8 mi
·
3 min
·
North Lindbergh Boulevard
Use the left lane.
7
Turn right onto West Washington Street
1.0 mi
·
2 min
·
West Washington Street
8
Turn left onto North New Florissant Road
87 ft
·
1 sec
·
North New Florissant Road
9
Arrive at destination
North New Florissant Road
Heads-up: tricky spots
5 of 55 decision points cluster between mile 0.4 and 29.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.4 mi into trip
|
~0m in
Take the ramp toward I 270 West
Lane positioning matters here
Use the left lane.
Toward I 270 West
5
0.6 mi into trip
|
~1m in
|
I 255
Merge onto I 255
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
7
26.1 mi into trip
|
~33m in
Take the exit toward US 67
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 25
Toward US 67
6
26.4 mi into trip
|
~34m in
|
US 67 / North Lindbergh Boulevard
Turn left onto US 67 / North Lindbergh Boulevard
Lane positioning matters here
Use the left lane.
4
29.2 mi into trip
|
~39m in
|
North New Florissant Road
Turn left onto North New Florissant Road
Navigation decision point
Fuel & Cost
Regular Gas
$4.57 one way
$9.13 round trip
$3.97/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.01 | $10.02 |
| premium | $4.89 | $5.62 | $11.24 |
| diesel | $5.61 | $6.45 | $12.89 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 10.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.8 | 0 | $3.07 | $1.40 |
| Efficient EV | 7.3 | 0 | $2.55 | $1.17 |
| EV Truck/SUV | 11.7 | 0 | $4.09 | $1.87 |
Gas CO2
10 kg
EV CO2
3 kg (70% 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
Late night in Florissant on Sunday
Local time
5:25 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
26 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
39m 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?
Expect a predominantly highway-focused experience on this drive, with 87% of the journey utilizing major roadways. You'll encounter a significant uninterrupted stretch of 24.9 miles on I 270, which forms the backbone of this trip. The route is characterized by its efficiency, prioritizing speed and directness over leisurely cruising. While primarily interstate, the incorporation of North Lindbergh Boulevard and West Washington Street offers brief interludes from the high-speed environment, providing a slight shift in driving feel before reaching your destination.
87% highway — fuel and pacing are the main things to plan.
9 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 24.9 mi on I 270.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on I 270 and North Lindbergh Boulevard. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.4 miles in.
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 39m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.4 miles: Lane positioning matters here; at 0.6 miles (I 255): Merge point - match speed before joining. Lane positioning matters here; at 26.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 39m. Total distance: 29.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
39m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (87%). Straightforward navigation.
Frequently Asked Questions
The longest stretch is about 24.9 miles on I 270. The full list of main roads is in the Roads section above.
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 0.4 miles: Lane positioning matters here; at 0.6 miles (I 255): Merge point - match speed before joining. Lane positioning matters here; at 26.1 miles: Exit ramp - move to the correct lane early. 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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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