Origin
Castle Point, MO
Afternoon in Castle Point on Saturday
Local time
12:54 PM
CDT
Current temp
58°F
Unavailable
Live forecast
Trip from Castle Point, MO to Brentwood, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
23m
Distance
15.7 mi
25 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 22m
★
6 AM
0h 24m
8 AM
0h 28m
10 AM
0h 25m
12 PM
0h 25m
3 PM
0h 25m
5 PM
0h 28m
8 PM
0h 23m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Castle Point, MO
Gergely Meszárcsek
Brentwood, MO
Valeria Boltneva
Trip Overview
The drive from Castle Point, MO to Brentwood, MO covers 15.7 miles and takes about 23m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Inner Belt Expressway, Chambers Road, Airport Road for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 8.5 miles on Inner Belt Expressway. At current regular gas prices, budget about $2.45 one way before food or hotel costs.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Inner Belt Expressway | 8.5 mi | 10m |
| Chambers Road | 2.8 mi | 4m |
| Airport Road | 1.8 mi | 2m |
| South Brentwood Boulevard | 0.7 mi | 1m |
| Lord Drive | 0.5 mi | 1m |
| Hereford Avenue | 0.4 mi | <1m |
| Eager Road | 0.2 mi | <1m |
| Litzsinger Road | <0.1 mi | <1m |
Longest stretch:
Inner Belt Expressway
— 8.5 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point, MO and Brentwood, MO.
1
Start on Lord Drive
0.5 mi
·
1 min
·
Lord Drive
2
At end of road, turn right onto Chambers Road
2.8 mi
·
4 min
·
Chambers Road
3
Continue on Hereford Avenue
0.4 mi
·
39 sec
·
Hereford Avenue
4
Continue on Airport Road
1.8 mi
·
2 min
·
Airport Road
5
Take the ramp
0.3 mi
·
19 sec
Toward I 170 South
6
Merge onto I 170
8.5 mi
·
10 min
·
Inner Belt Expressway
Use the slight left / straight lanes.
7
Take the exit
0.2 mi
·
21 sec
Exit 1C
Toward Brentwood Boulevard North, Eager Road
Use the straight / slight right lanes.
8
Keep slight left at fork
512 ft
·
10 sec
Toward Eager Road
9
Continue on this road
398 ft
·
8 sec
·
this road
Exit 1C
Toward Eager Road
10
Turn right onto Eager Road
0.2 mi
·
27 sec
·
Eager Road
11
Turn left onto South Brentwood Boulevard
0.7 mi
·
1 min
·
South Brentwood Boulevard
12
Turn right onto Litzsinger Road
300 ft
·
13 sec
·
Litzsinger Road
13
Turn left
59 ft
·
9 sec
14
Turn left
68 ft
·
4 sec
15
Arrive at destination
Heads-up: tricky spots
5 of 115 decision points cluster between mile 0.5 and 15.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.5 mi into trip
|
~1m in
|
Chambers Road
At end of road, turn right onto Chambers Road
Navigation decision point
5
5.8 mi into trip
|
~10m in
|
I 170 / Inner Belt Expressway
Merge onto I 170 / Inner Belt Expressway
Merge point - match speed before joining. Lane positioning matters here
Use the slight left / straight lanes.
8
14.3 mi into trip
|
~20m in
Take the exit toward Brentwood Boulevard North, Eager 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 1C
Toward Brentwood Boulevard North, Eager Road
6
14.5 mi into trip
|
~20m in
Keep slight left at fork toward Eager Road
Highway fork - watch signs carefully
Toward Eager Road
5
15.7 mi into trip
|
~23m in
Turn left
Navigation decision point
Fuel & Cost
Regular Gas
$2.45 one way
$4.91 round trip
$3.97/gal
25.4 MPG avg
6 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.69 | $5.39 |
| premium | $4.89 | $3.02 | $6.04 |
| diesel | $5.61 | $3.47 | $6.93 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 5.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.7 | 0 | $1.65 | $0.75 |
| Efficient EV | 3.9 | 0 | $1.37 | $0.63 |
| EV Truck/SUV | 6.3 | 0 | $2.20 | $1.00 |
Gas CO2
5 kg
EV CO2
2 kg (60% 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
Brentwood, MO
Afternoon in Brentwood on Saturday
Local time
12:54 PM
CDT
Current temp
78°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
20 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
23m 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?
15.7 mi in 23m — 54% highway, the rest on surface roads. Biggest road: Inner Belt Expressway.
54% highway, the rest on surface roads — varied driving throughout.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 8.5 mi on Inner Belt Expressway.
How Hard Is This Drive?
5/10
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.5 miles in near Chambers Road.
Driving Effort
5/10
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 15.7 miles you will encounter 11 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 0.5 miles (Chambers Road): Navigation decision point; at 5.8 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here; at 14.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
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 Brentwood, MO, road signs begin pointing toward Brentwood Boulevard North along the way.
Brentwood Boulevard North
14.3 mi in
|
~20m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 23m. Total distance: 15.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
23m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (54%). 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 8.5 miles on Inner Belt Expressway. The full list of main roads is in the Roads section above.
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 0.5 miles (Chambers Road): Navigation decision point; at 5.8 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here; at 14.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
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 Brentwood, MO before heading back.
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.
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