Origin
Florissant, MO
Afternoon in Florissant on Wednesday
Local time
4:39 PM
CDT
Current temp
58°F
Unavailable
Live forecast
Trip from Florissant, MO to Arnold, MO
Last recalculated Apr 15, 2026
Drive Time
45m
Distance
33.9 mi
55 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
Best Time to Leave
4 AM
0h 42m
★
6 AM
0h 46m
8 AM
0h 53m
10 AM
0h 48m
12 PM
0h 48m
3 PM
0h 49m
5 PM
0h 53m
8 PM
0h 44m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Florissant, MO
Wikimedia Commons
Arnold, MO
Wikimedia Commons
Trip Overview
The drive from Florissant, MO to Arnold, MO covers 33.9 miles and takes about 45m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Rosemary Straub Davison Highway, Officer Thomas G. Smith, Jr. Memorial Highway, Lindbergh Boulevard for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 24.3 miles on Rosemary Straub Davison Highway. At current regular gas prices, budget about $5.30 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
This drive is short enough that no stops are needed.
Midpoint
17 miles from Florissant, MO
A natural place for your longest stop of the day , about 23m into the drive .
Drive Character
Expect a 45m drive with frequent turns across 33.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Rosemary Straub Davison Highway is the longest continuous segment at about 24.3 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.1 miles in near I 270 / Rosemary Straub Davison Highway.
Route Complexity
8/10
Focused - busy navigation packed into a short drive
This is a short but busy drive. With 9 decision points packed into just 33.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 45m.
Where does it get tricky?
The main spots that need attention: at 3.1 miles (I 270 / Rosemary Straub Davison Highway): Merge point - match speed before joining. Lane positioning matters here; at 27.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 27.7 miles: Highway fork - watch signs carefully.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
3.1 mi into trip
|
~6m in
|
I 270 / Rosemary Straub Davison Highway
Merge onto I 270 / Rosemary Straub Davison Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
27.4 mi into trip
|
~36m in
Take the exit toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry 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 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis...
5
27.7 mi into trip
|
~36m in
Keep slight right at fork toward I 55 South: Memphis
Highway fork - watch signs carefully
Toward I 55 South: Memphis
7
32.4 mi into trip
|
~42m in
Take the exit toward MO 141: Arnold
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 191
Toward MO 141: Arnold
8
32.6 mi into trip
|
~43m in
Keep slight left at fork toward MO 141 South: Arnold
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward MO 141 South: Arnold
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 Arnold, MO, road signs begin pointing toward Memphis along the way.
Memphis
27.4 mi in
|
~36m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Rosemary Straub Davison Highway | 24.3 mi | 30m |
| Officer Thomas G. Smith, Jr. Memorial Highway | 1.8 mi | 2m |
| Lindbergh Boulevard | 1.7 mi | 3m |
| Rosa Parks Highway | 1.5 mi | 1m |
| Washington Street | 1 mi | 1m |
| Police Officer Steven Jarvis Memorial Highway | 0.9 mi | 1m |
| Jeffco Boulevard | 0.9 mi | 1m |
| MO 141 | 0.3 mi | <1m |
Longest stretch:
Rosemary Straub Davison Highway
— 24.3 mi, about 30m
Turn-by-Turn Driving Directions
Step-by-step road directions between Florissant, MO and Arnold, MO.
1
Start on North New Florissant Road
87 ft
·
5 sec
·
North New Florissant Road
2
Turn right onto Washington Street
1.0 mi
·
1 min
·
Washington Street
3
Turn left onto US 67
1.7 mi
·
3 min
·
Lindbergh Boulevard
4
Take the ramp
0.4 mi
·
46 sec
Use the right lane.
5
Merge onto I 270
24 mi
·
30 min
·
Rosemary Straub Davison Highway
Use the straight / slight right lanes.
6
Take the exit
0.4 mi
·
27 sec
Exit 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
Use the straight / slight right lanes.
7
Keep slight right at fork
0.4 mi
·
43 sec
Toward I 55 South: Memphis
8
Merge onto I 55
1.5 mi
·
1 min
·
Rosa Parks Highway
9
Continue on I 55
1.8 mi
·
2 min
·
Officer Thomas G. Smith, Jr. Memorial Highway
10
Continue on I 55
0.9 mi
·
1 min
·
Police Officer Steven Jarvis Memorial Highway
11
Take the exit
0.2 mi
·
27 sec
Exit 191
Toward MO 141: Arnold
Use the slight right lane.
12
Keep slight left at fork
438 ft
·
12 sec
Toward MO 141 South: Arnold
Use the slight left lane.
13
Merge onto MO 141
0.2 mi
·
13 sec
·
MO 141
14
Continue on MO 141
0.2 mi
·
20 sec
·
MO 141
15
Turn right onto US 61; US 67
0.9 mi
·
1 min
·
Jeffco Boulevard
16
Arrive at destination
US 61; US 67
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 17 miles from Florissant, MO, or about 23m into the drive.
The longest continuous stretch on this route runs about 24.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 33.9 miles or 45m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 17 miles or 23m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 38m
Traffic, exits, and arrival timing usually matter more near Arnold, MO than in the middle of the route.
Before You Leave
+
Have your navigation ready before leaving Florissant, MO.
Day 1
Settle into the route from Florissant, MO
This is one driving day of about 33.9 miles and 45m.
At 33.9 miles this is a quick drive — no planned stops needed.
The longest stretch is on Rosemary Straub Davison Highway for about 24.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 17 mi from Florissant, MO · 23m into the drive
Mid-route town
Meal stop
17 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 33.9 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 17 miles from Florissant, MO, which is a good place for a longer meal and fuel stop.
Arriving in Arnold, MO
Allow a few extra minutes for the final approach into Arnold, MO if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$5.30 one way
$10.60 round trip
$3.97/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.82 | $11.64 |
| premium | $4.89 | $6.52 | $13.05 |
| diesel | $5.61 | $7.48 | $14.97 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$5
Meals
$25–$50
Total
$30–$55
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 11.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 10.2 | 0 | $3.56 | $1.63 |
| Efficient EV | 8.5 | 0 | $2.97 | $1.36 |
| EV Truck/SUV | 13.6 | 0 | $4.75 | $2.17 |
Gas CO2
12 kg
EV CO2
4 kg (67% 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
Arnold, MO
Afternoon in Arnold on Wednesday
Local time
4:39 PM
CDT
Current temp
57°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
1 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
45m 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 Arnold, MO covers 33.9 miles and takes about 45m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Rosemary Straub Davison Highway, Officer Thomas G. Smith, Jr. Memorial Highway, Lindbergh Boulevard. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 17 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 $5.30 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 9 decision points packed into just 33.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 45m.
The main spots that need attention: at 3.1 miles (I 270 / Rosemary Straub Davison Highway): Merge point - match speed before joining. Lane positioning matters here; at 27.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 27.7 miles: Highway fork - watch signs carefully.
On the drive from Florissant, MO to Arnold, MO, road signs begin pointing toward Memphis along the way.
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