How far is Castle Point, MO from Affton, MO?
The driving distance from Castle Point, MO to Affton, MO is about 16.8 miles (27 km), with a travel time of about 00h 32m by car.
- The straight-line flight distance is about 15 miles (24.2 km).
- For a round trip, plan for roughly 01h 05m 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 32m.
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.
Suburb in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Castle Point and Affton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point and Affton.
-
1
Start on Lord Drive
2556 ft · 2 min · Lord Drive
-
2
At the end of the road, turn right onto Chambers Road
2011 ft · 40 sec · Chambers Road
-
3
Turn left onto Halls Ferry Road
1.6 mi · 2 min · Halls Ferry Road
-
4
Turn right onto Jennings Station Road
3.3 mi · 7 min · Jennings Station Road
-
5
Continue on Kienlen Avenue
1.6 mi · 3 min · Kienlen Avenue
-
6
Continue on North Skinker Boulevard
2.8 mi · 5 min · North Skinker Boulevard
-
7
Continue on McCausland Avenue
1.7 mi · 3 min · McCausland Avenue
-
8
Continue on Ellendale Avenue
2852 ft · 56 sec · Ellendale Avenue
-
9
Continue on Wellington Avenue
1740 ft · 35 sec · Wellington Avenue
-
10
Continue on Wabash Avenue
1709 ft · 34 sec · Wabash Avenue
-
11
Turn right onto Lansdowne Avenue
651 ft · 25 sec · Lansdowne Avenue
-
12
Turn left onto River Des Peres Boulevard
1878 ft · 40 sec · River Des Peres Boulevard
-
13
Turn right onto Weil Avenue
88 m · 17 sec · Weil Avenue
-
14
Continue on Weil Avenue
605 ft · 21 sec · Weil Avenue
-
15
At the end of the road, turn right onto Chippewa Street
599 ft · 17 sec · Chippewa Street
-
16
Continue on Watson Road
801 ft · 19 sec · Watson Road
-
17
Turn left onto Mackenzie Road
2.1 mi · 4 min · Mackenzie Road
-
18
Turn right onto Gravois Road
2802 ft · 1 min · Gravois Road
-
19
Turn left onto Tesson Ferry Road
72 m · 15 sec · Tesson Ferry Road
-
20
Turn right
69 m · 17 sec
-
21
Turn slight right
20 m · 5 sec
-
22
Turn right
27 m · 6 sec
-
23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Castle Point and Affton.
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
Turn right onto 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.
Chance Showers And Thunderstorms leaving Castle Point and Partly Sunny then Chance Showers And Thunderstorms near Affton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Point to Affton?
The road trip is about 16.8 miles (27 km) and usually takes 00h 32m 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?
University City is a useful midpoint, sitting about 8.4 miles from Castle Point and 8.4 miles from Affton.
How much longer is the road route than the straight-line distance?
The direct path is about 15 miles (24.2 km), while the road route adds roughly 1.8 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 CDT. If you want a more comfortable same-day return, try to leave by 7:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.22 one way or $4.45 round trip. Estimated CO2 is about 5.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Castle Point and Partly Sunny then Chance Showers And Thunderstorms near Affton.
Stop Ideas Near University City
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 University City.
Gateway Transportation Center
Kirkwood
Alton
Washington
Flight Path Map
This map shows the direct air route between Castle Point and Affton. Straight-line distance: 15.05 mi (24.22 km).
#1 Castle Point
A census-designated place in Jefferson County, Missouri.
| Population | 90,070 |
| Coordinates | 38.7581100, -90.2481700 |
| Altitude | 152 |
| Country | United States |
#2 Affton
Census designated place
| Population | 20,307 |
| Coordinates | 38.5506100, -90.3331700 |
| Altitude | 188 |
| Country | United States |
End: Affton (-90.33317, 38.55061)
Estimated Travel Time
Distance: 27 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 33m |
| 40 mph (64.37 km/h) | 00h 25m |
| 50 mph (80.47 km/h) | 00h 20m |
| 60 mph (96.56 km/h) | 00h 16m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.22 | $4.45 |
| Mid-grade | $4.25 | $2.51 | $5.02 |
| Premium | $4.65 | $2.75 | $5.49 |
| Diesel | $5.30 | $3.13 | $6.26 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.