How far is Marlborough, MO from Castle Point, MO?
The driving distance from Marlborough, MO to Castle Point, MO is about 23.7 miles (38.2 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 13.9 miles (22.3 km).
- For a round trip, plan for roughly 01h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Saint Louis County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Drizzle
Slight Chance Drizzle
Driving Route Map
The map below follows the saved road route between Marlborough and Castle Point.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marlborough and Castle Point.
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1
Start on Watson Road
1.5 mi · 3 min · Watson Road
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2
Continue on Chippewa Street
924 ft · 25 sec · Chippewa Street
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3
Turn right
653 ft · 22 sec
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4
Turn right onto River Des Peres Boulevard
2889 ft · 1 min · River Des Peres Boulevard
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5
Turn right onto Lansdowne Avenue
665 ft · 25 sec · Lansdowne Avenue
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6
Turn left onto Wabash Avenue
1841 ft · 37 sec · Wabash Avenue
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7
Continue on Wellington Avenue
1744 ft · 35 sec · Wellington Avenue
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8
Continue on Ellendale Avenue
2847 ft · 57 sec · Ellendale Avenue
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9
Continue on McCausland Avenue
1.8 mi · 3 min · McCausland Avenue
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10
Continue on South Skinker Boulevard
2.8 mi · 5 min · South Skinker Boulevard
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11
Continue on Kienlen Avenue
1.6 mi · 3 min · Kienlen Avenue
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12
Continue on Jennings Station Road
3.3 mi · 7 min · Jennings Station Road
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13
Turn left onto Halls Ferry Road
1.6 mi · 3 min · Halls Ferry Road
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14
Turn right onto Chambers Road
2011 ft · 39 sec · Chambers Road
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15
Turn left onto Lord Drive
2556 ft · 2 min · Lord Drive
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16
Arrive at your destination
0 m · 1 sec · Lord Drive
Car Route Details
A richer read on the saved driving route between Marlborough and Castle Point.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Jennings Station Road
Continue on Jennings Station Road
3.28 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Patchy Drizzle leaving Marlborough and Slight Chance Drizzle near Castle Point.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marlborough to Castle Point?
The road trip is about 23.7 miles (38.2 km) and usually takes 00h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Wellston is a useful midpoint, sitting about 7.8 miles from Marlborough and 15.9 miles from Castle Point.
How much longer is the road route than the straight-line distance?
The direct path is about 13.9 miles (22.3 km), while the road route adds roughly 9.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:24 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.17 one way or $6.34 round trip. Estimated CO2 is about 7.5 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Drizzle around Marlborough and Slight Chance Drizzle near Castle Point.
Stop Ideas Near Wellston
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Wellston.
Gateway Transportation Center
Kirkwood
Alton
Washington
Flight Path Map
This map shows the direct air route between Marlborough and Castle Point. Straight-line distance: 13.83 mi (22.26 km).
#1 Marlborough
Marlborough is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.5703300, -90.3370600 |
| Altitude | 164 |
| Country | United States |
#2 Castle Point
A census-designated place in Jefferson County, Missouri.
| Population | 90,070 |
| Coordinates | 38.7581100, -90.2481700 |
| Altitude | 152 |
| Country | United States |
End: Count Drive (-90.248701, 38.758102)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.17 | $6.34 |
| Mid-grade | $4.15 | $3.48 | $6.97 |
| Premium | $4.51 | $3.79 | $7.58 |
| Diesel | $6.00 | $5.04 | $10.07 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Missouri · Nov 06, 2026