Origin
Arnold, MO
Morning in Arnold on Tuesday
Local time
7:22 AM
CDT
Current temp
71°F
Unavailable
Live forecast
Trip from Arnold, MO to Florissant, MO
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
46m
Distance
34 mi
55 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 42m
★
6 AM
0h 46m
8 AM
0h 54m
10 AM
0h 49m
12 PM
0h 48m
3 PM
0h 49m
5 PM
0h 54m
8 PM
0h 44m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Arnold, MO
Wikimedia Commons
Florissant, MO
Wikimedia Commons
Trip Overview
This 34-mile drive from Arnold, MO to Florissant, MO takes about 46 minutes and is a great option for a day trip. You'll spend most of your time on major highways, with 72% of the journey utilizing interstate routes. The estimated fuel cost for this trip is around $5, making it an economical choice for a quick local excursion within the Midwest region. Given its short distance, you won't need to worry about overnight stays, offering flexibility for when you depart and how you structure your travel time.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 24.4 mi | 30m |
| Officer Thomas G. Smith, Jr. Memorial Highway | 1.9 mi | 2m |
| North Lindbergh Boulevard | 1.8 mi | 3m |
| Rosa Parks Highway | 1.3 mi | 1m |
| West Washington Street | 1 mi | 2m |
| Jeffco Boulevard | 0.9 mi | 1m |
| Police Officer Steven Jarvis Memorial Highway | 0.9 mi | 1m |
| MO 141 | 0.2 mi | <1m |
Longest stretch:
I 270
— 24.4 mi, about 30m
Turn-by-Turn Driving Directions
Step-by-step road directions between Arnold, MO and Florissant, MO.
1
Start on US 61; US 67
0.9 mi
·
1 min
·
Jeffco Boulevard
Use the left lane.
2
Turn left onto MO 141
0.2 mi
·
27 sec
·
MO 141
Use the left lane.
3
Take the ramp
0.2 mi
·
30 sec
Toward I 55 North
4
Merge onto I 55
0.9 mi
·
1 min
·
Police Officer Steven Jarvis Memorial Highway
5
Continue on I 55
1.9 mi
·
2 min
·
Officer Thomas G. Smith, Jr. Memorial Highway
6
Continue on I 55
1.3 mi
·
1 min
·
Rosa Parks Highway
7
Take the exit
0.2 mi
·
27 sec
Exit 196
Toward I 270 West, I 255 East: Kansas City, Chicago
Use the slight right lane.
8
Keep slight left at fork
388 ft
·
8 sec
Toward I 270 West: Kansas City
Use the slight left lane.
9
Continue on this road
0.7 mi
·
1 min
·
this road
Exit 196
Toward I 270 West
10
Merge onto I 270
24 mi
·
30 min
·
I 270
Use the straight lane.
11
Take the exit
0.3 mi
·
44 sec
Exit 25
Toward US 67
Use the straight / slight right lanes.
12
Turn left onto US 67
1.8 mi
·
3 min
·
North Lindbergh Boulevard
Use the left lane.
13
Turn right onto West Washington Street
1.0 mi
·
2 min
·
West Washington Street
14
Turn left onto North New Florissant Road
87 ft
·
1 sec
·
North New Florissant Road
15
Arrive at destination
North New Florissant Road
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
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 34 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 17 miles from Arnold, MO, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 105 decision points cluster between mile 0.9 and 31.2 — 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
|
~1m in
|
MO 141
Turn left onto MO 141
Lane positioning matters here
Use the left lane.
8
5.5 mi into trip
|
~7m in
Take the exit toward I 270 West, I 255 East: Kansas City, Chicago
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 196
Toward I 270 West, I 255 East: Kansas City, Chi...
8
5.7 mi into trip
|
~8m in
Keep slight left at fork toward I 270 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 270 West: Kansas City
7
30.9 mi into trip
|
~40m 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
31.2 mi into trip
|
~40m in
|
US 67 / North Lindbergh Boulevard
Turn left onto US 67 / North Lindbergh Boulevard
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$5.32 one way
$10.63 round trip
$3.97/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.84 | $11.67 |
| premium | $4.89 | $6.54 | $13.09 |
| diesel | $5.61 | $7.51 | $15.01 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
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 | $3.57 | $1.63 |
| Efficient EV | 8.5 | 0 | $2.97 | $1.36 |
| EV Truck/SUV | 13.6 | 0 | $4.76 | $2.18 |
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
Florissant, MO
Morning in Florissant on Tuesday
Local time
7:22 AM
CDT
Current temp
72°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 warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
46m 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 highway-focused drive for the majority of this 34-mile route. You'll be navigating primarily on I 270 and the Officer Thomas G. Smith, Jr. Memorial Highway, with a portion on North Lindbergh Boulevard. The longest uninterrupted stretch you'll encounter is 24.4 miles on I 270. This means you'll experience consistent speeds for significant periods, with the road character remaining predominantly that of a major thoroughfare throughout the journey.
72% highway — fuel and pacing are the main things to plan.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 24.4 mi on I 270.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 270 and Officer Thomas G. Smith, Jr. Memorial Highway. 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 MO 141.
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 10 decision points packed into just 34 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
Where does it get tricky?
The main spots that need attention: at 0.9 miles (MO 141): Lane positioning matters here; at 5.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 5.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.
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 Arnold, MO to Florissant, MO, road signs begin pointing toward Chicago along the way.
Chicago
5.5 mi in
|
~7m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 46m. Total distance: 34 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
46m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (72%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 24.4 miles on I 270. 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 (MO 141): Lane positioning matters here; at 5.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 5.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.
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 NPS for national parks. See our methodology for refresh cadence and limitations.
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