Origin
Castle Point, MO
Morning in Castle Point on Tuesday
Local time
7:01 AM
CDT
Current temp
72°F
Unavailable
Live forecast
Trip from Castle Point, MO to Green Park, 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
37m
Distance
23 mi
37 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 35m
★
6 AM
0h 38m
8 AM
0h 44m
10 AM
0h 40m
12 PM
0h 40m
3 PM
0h 40m
5 PM
0h 44m
8 PM
0h 36m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Castle Point, MO
Gergely Meszárcsek
Trip Overview
Castle Point to Green Park is 23 miles and takes about 37 minutes via Ozark Expressway, Halls Ferry Road, and North Broadway, with a fuel budget near $4 and enough daylight to finish in a day. This short trip stays within Missouri, connecting two points in the Midwest region. It's a straightforward drive, mostly on highways, making it a quick hop between locations. Consider this route for its efficiency if you're looking for a simple transit between these two points.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Ozark Expressway | 9.5 mi | 12m |
| Halls Ferry Road | 2.9 mi | 4m |
| North Broadway | 2 mi | 4m |
| Third Street Expressway | 2 mi | 2m |
| Andy Gammon Memorial Highway | 1.5 mi | 2m |
| Mark Twain Expressway | 1.4 mi | 1m |
| Green Park Road | 1.2 mi | 3m |
| Union Road | 0.8 mi | 1m |
Longest stretch:
Ozark Expressway
— 9.5 mi, about 12m
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point, MO and Green Park, MO.
1
Start on Lord Drive
0.5 mi
·
1 min
·
Lord Drive
2
At end of road, turn right onto Chambers Road
0.4 mi
·
39 sec
·
Chambers Road
3
Turn left onto MO AC
2.0 mi
·
2 min
·
Halls Ferry Road
4
Enter roundabout onto Halls Ferry Road
466 ft
·
10 sec
·
Halls Ferry Road
5
Continue on Halls Ferry Road
0.9 mi
·
1 min
·
Halls Ferry Road
6
Turn slight right onto North Broadway
2.0 mi
·
4 min
·
North Broadway
7
Turn right onto Carrie Avenue
0.2 mi
·
34 sec
·
Carrie Avenue
8
Take the ramp
0.2 mi
·
15 sec
Toward I 70 East
9
Merge onto I 70
1.4 mi
·
1 min
·
Mark Twain Expressway
10
Continue on I 70
1.5 mi
·
2 min
·
Andy Gammon Memorial Highway
Use the straight / slight right lanes.
11
Keep slight left at fork onto I 44
2.0 mi
·
2 min
·
Third Street Expressway
Exit 249A
Toward I 44 West: Tulsa, Memphis
Use the straight / slight right lanes.
12
Continue on I 44; I 55
0.9 mi
·
1 min
·
Ozark Expressway
13
Keep slight left at fork onto I 55
8.6 mi
·
10 min
·
Ozark Expressway
Exit 290B
14
Take the exit
0.1 mi
·
22 sec
Exit 199
Toward Reavis Barracks Road
Use the slight right lane.
15
Turn left
58 ft
·
2 sec
Exit 199
Toward Reavis Barracks Road
16
Turn left onto Reavis Barracks Road
523 ft
·
14 sec
·
Reavis Barracks Road
17
Turn right onto Union Road
0.8 mi
·
1 min
·
Union Road
18
Turn right onto Green Park Road
1.2 mi
·
3 min
·
Green Park Road
19
Turn left onto Antrill Drive
0.1 mi
·
25 sec
·
Antrill Drive
20
Turn right onto Alix Drive
316 ft
·
19 sec
·
Alix Drive
21
Turn left onto Arnett Drive
499 ft
·
22 sec
·
Arnett Drive
22
Arrive at destination
Arnett Drive
Heads-up: tricky spots
5 of 165 decision points cluster between mile 2.8 and 20.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
2.8 mi into trip
|
~5m in
|
Halls Ferry Road
Enter roundabout onto Halls Ferry Road
Roundabout - know your exit number before entering
9
9.1 mi into trip
|
~16m in
|
I 44 / Third Street Expressway
Keep slight left at fork onto I 44 / Third Street Expressway toward I 44 West: Tulsa, Memphis
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 249A
Toward I 44 West: Tulsa, Memphis
5
12 mi into trip
|
~20m in
|
I 55 / Ozark Expressway
Keep slight left at fork onto I 55 / Ozark Expressway
Highway fork - watch signs carefully
Exit 290B
7
20.6 mi into trip
|
~31m in
Take the exit toward Reavis Barracks Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 199
Toward Reavis Barracks Road
5
20.7 mi into trip
|
~31m in
Turn left toward Reavis Barracks Road
Navigation decision point
Exit 199
Toward Reavis Barracks Road
Fuel & Cost
Regular Gas
$3.60 one way
$7.19 round trip
$3.97/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $3.95 | $7.90 |
| premium | $4.89 | $4.43 | $8.85 |
| diesel | $5.61 | $5.08 | $10.16 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 63% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.9 | 0 | $2.41 | $1.10 |
| Efficient EV | 5.8 | 0 | $2.01 | $0.92 |
| EV Truck/SUV | 9.2 | 0 | $3.22 | $1.47 |
Gas CO2
8 kg
EV CO2
3 kg (63% 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
Green Park, MO
Morning in Green Park on Tuesday
Local time
7:01 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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
37m 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?
You'll spend about 56% of this 23-mile trip on the highway, specifically the Ozark Expressway. The longest continuous stretch on the highway is 9.5 miles. After the highway portion, you'll transition to surface roads like Halls Ferry Road and North Broadway, which will likely feature more frequent intersections and changes in speed limits as you approach your destination.
56% highway, the rest on surface roads — varied driving throughout.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 9.5 mi on Ozark Expressway.
How Hard Is This Drive?
7/10
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 2.8 miles in near Halls Ferry Road.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 16 decision points packed into just 23 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 37m.
Where does it get tricky?
The main spots that need attention: at 2.8 miles (Halls Ferry Road): Roundabout - know your exit number before entering; at 9.1 miles (I 44 / Third Street Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 12 miles (I 55 / Ozark Expressway): Highway fork - watch signs carefully.
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 Castle Point, MO to Green Park, MO, road signs begin pointing toward Memphis along the way.
Memphis
9.1 mi in
|
~16m
|
via I 44
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 37m. Total distance: 23 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
37m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (56%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 9.5 miles on Ozark Expressway. The full list of main roads is in the Roads section above.
Yes — we found about 4 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Green Park, 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 2.8 miles (Halls Ferry Road): Roundabout - know your exit number before entering; at 9.1 miles (I 44 / Third Street Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 12 miles (I 55 / Ozark Expressway): Highway fork - watch signs carefully.
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 Green Park, 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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