The drive from Florissant, MO to Castor, MO covers 160.4 miles and takes about 3h 16m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Police Officer Steven Jarvis Memorial Highway, Rosemary Straub Davison Highway, MO 25 for much of the mileage,
and the overall profile is turn-heavy local drive.
The longest uninterrupted segment is about 101 miles on Police Officer Steven Jarvis Memorial Highway.
At current regular gas prices, budget about $25.08 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
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
80.2 miles from Florissant, MO
A natural place for your longest stop of the day
, about 1h 33m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 16m. Total distance: 160.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 16m drive, comfortable solo distance.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 3h 16m drive with frequent turns across 160.4 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 20 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Police Officer Steven Jarvis Memorial Highway is the longest continuous segment at about 101 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 12 points where you need to pay attention to lane position or signs. The trickiest moment comes around 3.1 miles in near I 270 / Rosemary Straub Davison Highway.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 160.4 miles you will encounter 12 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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 12 key points
These 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
5
132.5 mi into trip|~2h 30m in
Take the exit toward MO AB: Cape Girardeau Regional Airport
Exit ramp - move to the correct lane early
Exit 91
Toward MO AB: Cape Girardeau Regional Airport
7
132.7 mi into trip|~2h 30m in
Keep slight right at fork toward MO AB: Cape Girardeau Regional Airport
Highway fork - watch signs carefully
Exit 91
Toward MO AB: Cape Girardeau Regional Airport
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Florissant, MO and Castor, MO, road signs point toward Memphis and Mo Ab: Cape Girardeau Regional Airport.
Memphis
27.4 mi in|~36m
Mo Ab: Cape Girardeau Regional Airport
132.5 mi in|~2h 30m
Main Roads
Road
Distance
Duration
Police Officer Steven Jarvis Memorial Highway
101 mi
1h 48m
Rosemary Straub Davison Highway
24.3 mi
30m
MO 25
15.9 mi
23m
Nash Road
5.6 mi
7m
MO C
2.6 mi
4m
Officer Thomas G. Smith, Jr. Memorial Highway
1.8 mi
2m
County Road 640
1.7 mi
6m
Lindbergh Boulevard
1.7 mi
3m
Longest stretch:
Police Officer Steven Jarvis Memorial Highway
— 101 mi, about 1h 48m
Turn-by-Turn Driving Directions
Step-by-step road directions between Florissant, MO and Castor, 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 1AToward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry RoadUse 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
101 mi·1 hr 48 min·Police Officer Steven Jarvis Memorial Highway
Use the straight / slight right lanes.
11
Take the exit
0.2 mi·20 sec
Exit 91Toward MO AB: Cape Girardeau Regional Airport
12
Keep slight right at fork
160 ft·3 sec
Exit 91Toward MO AB: Cape Girardeau Regional Airport
13
Turn right onto MO AB
5.6 mi·7 min·Nash Road
14
Enter roundabout onto MO 25
191 ft·3 sec·MO 25
Toward MO 25 South: Delta
15
Continue on MO 25
16 mi·23 min·MO 25
Toward MO 25 South: Delta
16
Continue on MO 91
0.4 mi·36 sec·MO 91
17
Continue on MO C
2.6 mi·4 min·MO C
18
Turn left onto MO BB
1.5 mi·2 min·MO BB
19
Turn right onto County Road 640
1.7 mi·6 min·County Road 640
20
Arrive at destination
County Road 640
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 80.2 miles from Florissant, MO, or about 1h 33m into the drive.
The longest continuous stretch on this route runs about 101 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 35 miles or 45m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 80.2 miles or 1h 33m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 29m
Traffic, exits, and arrival timing usually matter more near Castor, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Florissant, MO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Florissant, MO
This is one driving day of about 160.4 miles and 3h 16m.
Your first comfortable stop window is around 35 miles from Florissant, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Police Officer Steven Jarvis Memorial Highway for about 101 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 80.2 mi from Florissant, MO
· 1h 33m into the drive
The midpoint is around 80.2 miles from Florissant, MO, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel check
Top up before Police Officer Steven Jarvis Memorial Highway if your tank is already low. That segment runs about 101 miles.
Arriving in Castor, MO
The final approach into Castor, MO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Castor, MO.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Ste. Geneviève National Historical Park
National Historical Park
Established by 1750, Ste. Geneviève was the first permanent European settlement in Missouri. Early French Canadian settlers were drawn here by the rich agricultural land known as Le Grand Champ (the B...
5 mi from route
~12 min detour
Free
near mile 77.4
Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, a...
12 mi from route
~30 min detour
$19
near mile 27.7
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$25.08 one way
$50.15 round trip
$3.97/gal25.4 MPG avg56 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$27.53
$55.07
premium
$4.89
$30.87
$61.74
diesel
$5.61
$35.41
$70.83
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 56.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $17 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
48.1
0
$16.84
$7.70
Efficient EV
40.1
0
$14.04
$6.42
EV Truck/SUV
64.2
0
$22.46
$10.27
Gas CO2
56 kg
EV CO2
19 kg (66% 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.
Forecast as of Apr 17, 2026
Origin
Florissant, MO
Morning
in Florissant on Friday
Local time
9:43 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Destination
Castor, MO
Morning
in Castor on Friday
Local time
9:43 AM
CDT
Current temp
82°F
Unavailable
Live forecast
57°F
Arnold, MO
80 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
3h 16m 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 Castor, MO covers 160.4 miles and takes about 3h 16m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Police Officer Steven Jarvis Memorial Highway, Rosemary Straub Davison Highway, MO 25. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 80.2 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 $25.08 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This drive requires moderate attention. Across 160.4 miles you will encounter 12 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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.
Between Florissant, MO and Castor, MO, road signs point toward Memphis and Mo Ab: Cape Girardeau Regional Airport.
Yes. Nearby national parks include Ste. Geneviève National Historical Park and 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.
