Origin
Castle Point, MO
Evening in Castle Point on Saturday
Local time
7:13 PM
CDT
Current temp
72°F
Unavailable
Live forecast
Trip from Castle Point, MO to Saint Ann, MO
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 6, 2026 · Editorial standards
Drive Time
18m
Distance
11.7 mi
19 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 17m
★
6 AM
0h 19m
8 AM
0h 22m
10 AM
0h 20m
12 PM
0h 20m
3 PM
0h 20m
5 PM
0h 22m
8 PM
0h 18m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Castle Point, MO
Gergely Meszárcsek
Saint Ann, MO
Wikimedia Commons
Trip Overview
The drive from Castle Point, MO to Saint Ann, MO covers 11.7 miles and takes about 18m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Chambers Road, Inner Belt Expressway, Saint Charles Rock Road for much of the mileage, and the overall profile is mostly surface roads. The longest uninterrupted segment is about 2.8 miles on Chambers Road. At current regular gas prices, budget about $1.81 one way before food or hotel costs.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Chambers Road | 2.8 mi | 4m |
| Inner Belt Expressway | 2.8 mi | 3m |
| Saint Charles Rock Road | 2.7 mi | 4m |
| Airport Road | 1.8 mi | 2m |
| Lord Drive | 0.5 mi | 1m |
| Hereford Avenue | 0.4 mi | <1m |
| San Jose Lane | <0.1 mi | <1m |
Longest stretch:
Chambers Road
— 2.8 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point, MO and Saint Ann, 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
2.8 mi
·
3 min
·
Inner Belt Expressway
Use the slight left / straight lanes.
7
Take the exit
0.1 mi
·
16 sec
Exit 5
Toward MO 180: Saint Charles Rock Road
Use the slight right lane.
8
Keep slight right at fork
385 ft
·
10 sec
Toward MO 180: Saint Charles Rock Road
Use the straight / slight left lanes.
9
Turn slight right onto MO 180
2.7 mi
·
4 min
·
Saint Charles Rock Road
10
Turn left onto San Jose Lane
297 ft
·
13 sec
·
San Jose Lane
11
Continue on San Jose Lane
124 ft
·
5 sec
·
San Jose Lane
12
Arrive at destination
San Jose Lane
Heads-up: tricky spots
5 of 65 decision points cluster between mile 0.5 and 8.8 — 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
4
5.6 mi into trip
|
~9m in
Take the ramp toward I 170 South
Navigation decision point
Toward I 170 South
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.
7
8.6 mi into trip
|
~13m in
Take the exit toward MO 180: Saint Charles Rock Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 5
Toward MO 180: Saint Charles Rock Road
8
8.8 mi into trip
|
~13m in
Keep slight right at fork toward MO 180: Saint Charles Rock Road
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left lanes.
Toward MO 180: Saint Charles Rock Road
Fuel & Cost
Regular Gas
$1.81 one way
$3.63 round trip
$3.94/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.32 | $1.99 | $3.98 |
| premium | $4.93 | $2.27 | $4.54 |
| diesel | $5.60 | $2.58 | $5.16 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4.1 kg one way. Prices: EIA weekly data, 2026-08-31.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.5 | 0 | $1.23 | $0.56 |
| Efficient EV | 2.9 | 0 | $1.02 | $0.47 |
| EV Truck/SUV | 4.7 | 0 | $1.64 | $0.75 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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
Saint Ann, MO
Evening in Saint Ann on Saturday
Local time
7:13 PM
CDT
Current temp
89°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
17 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
18m 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?
11.7 mi in 18m across surface roads — expect steady turns and local traffic rather than long highway runs.
Only 24% highway — the rest is turn-by-turn surface driving.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 2.8 mi on Chambers Road.
How Hard Is This Drive?
5/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 6 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 11.7 miles you will encounter 6 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 5.6 miles: Navigation decision point; at 5.8 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
657 ft
458 ft
Total Climb
294 ft
Total Descent
210 ft
Highest Point
657 ft
~9.2 mi in
Elevation Range
199 ft
About the Cities
Starting in Castle Point, MO
Full guide →Arriving in Saint Ann, MO
Full guide →City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 18m. Total distance: 11.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
18m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (24%). Some complex stretches to watch for.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 2.8 miles on Chambers Road. 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 5.6 miles: Navigation decision point; at 5.8 miles (I 170 / Inner Belt Expressway): Merge point - match speed before joining. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Saint Ann, 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 USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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