How far is Brentwood, MO from Castle Point, MO?
The driving distance from Brentwood, MO to Castle Point, MO is about 17.6 miles (28.3 km), with a travel time of about 00h 23m by car.
- The straight-line flight distance is about 11.1 miles (17.9 km).
- For a round trip, plan for roughly 00h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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 23m.
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 St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Brentwood and Castle Point.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brentwood and Castle Point.
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1
Start on the route
21 m · 7 sec
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2
Turn right
18 m · 6 sec
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3
Turn right onto Litzsinger Road
91 m · 12 sec · Litzsinger Road
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4
Turn left onto South Brentwood Boulevard
1.1 km · 1 min · South Brentwood Boulevard
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5
Turn right onto Eager Road
1022 ft · 33 sec · Eager Road
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6
Turn left onto I 170 North
2291 ft · 33 sec
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7
Merge slight right onto Inner Belt Expressway
8.5 mi · 11 min · Inner Belt Expressway
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8
Take the exit slight right toward Airport Road
950 ft · 20 sec
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9
Turn right onto Airport Road
1.8 mi · 3 min · Airport Road
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10
Continue on Hereford Avenue
2206 ft · 39 sec · Hereford Avenue
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11
Continue on Chambers Road
2.8 mi · 4 min · Chambers Road
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12
Turn left onto Lord Drive
2556 ft · 2 min · Lord Drive
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13
Arrive at your destination
0 m · 1 sec · Lord Drive
Car Route Details
A richer read on the saved driving route between Brentwood 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.
Inner Belt Expressway
Merge slight right onto Inner Belt Expressway
8.53 mi · 00h 11m
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.
Showers And Thunderstorms Likely leaving Brentwood and Showers And Thunderstorms near Castle Point.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brentwood to Castle Point?
The road trip is about 17.6 miles (28.3 km) and usually takes 00h 23m 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?
Bel-Ridge is a useful midpoint, sitting about 7.8 miles from Brentwood and 9.8 miles from Castle Point.
How much longer is the road route than the straight-line distance?
The direct path is about 11.1 miles (17.9 km), while the road route adds roughly 6.5 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 CDT. If you want a more comfortable same-day return, try to leave by 7:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.34 one way or $4.68 round trip. Estimated CO2 is about 5.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Brentwood and Showers And Thunderstorms near Castle Point.
Stop Ideas Near Bel-Ridge
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 Bel-Ridge.
Gateway Transportation Center
Kirkwood
Alton
Washington
Flight Path Map
This map shows the direct air route between Brentwood and Castle Point. Straight-line distance: 11.13 mi (17.92 km).
#1 Brentwood
Inner-ring suburb of St.
| Population | 7,953 |
| Coordinates | 38.6175500, -90.3492800 |
| Altitude | 146 |
| 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 (-90.248673, 38.758114)
Estimated Travel Time
Distance: 28 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 35m |
| 40 mph (64.37 km/h) | 00h 26m |
| 50 mph (80.47 km/h) | 00h 21m |
| 60 mph (96.56 km/h) | 00h 17m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.34 | $4.68 |
| Mid-grade | $4.25 | $2.64 | $5.27 |
| Premium | $4.65 | $2.89 | $5.77 |
| Diesel | $5.30 | $3.29 | $6.58 |
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 · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.