How far is Saint Clair, MO from Castle Point, MO?
The driving distance from Saint Clair, MO to Castle Point, MO is about 63.4 miles (102 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 48.8 miles (78.5 km).
- For a round trip, plan for roughly 02h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 05m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Unincorporated community in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Clair and Castle Point.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Clair and Castle Point.
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1
Start on South Main Street
1.2 mi · 3 min · South Main Street
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2
Take the ramp slight right toward I 44 East: Saint Louis
1554 ft · 39 sec
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3
Merge slight left
40 mi · 46 min
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4
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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5
Continue on Officer Michael Barwick Memorial Highway
1 km · 48 sec · Officer Michael Barwick Memorial Highway
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6
Take the exit slight right toward Jamieson Avenue
651 ft · 14 sec
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7
Keep slight left to continue on Jamieson Avenue
69 m · 7 sec
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8
Turn left onto Jamieson Avenue
1486 ft · 47 sec · Jamieson Avenue
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9
At the end of the road, turn left onto Arsenal Street
1198 ft · 38 sec · Arsenal Street
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10
Turn right onto McCausland Avenue
1.6 mi · 3 min · McCausland Avenue
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11
Continue on South Skinker Boulevard
2.8 mi · 5 min · South Skinker Boulevard
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12
Continue on Kienlen Avenue
1.6 mi · 3 min · Kienlen Avenue
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13
Continue on Jennings Station Road
3.3 mi · 7 min · Jennings Station Road
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14
Turn left onto Halls Ferry Road
1.6 mi · 3 min · Halls Ferry Road
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15
Turn right onto Chambers Road
2011 ft · 39 sec · Chambers Road
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16
Turn left onto Lord Drive
2556 ft · 2 min · Lord Drive
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17
Arrive at your destination
0 m · 1 sec · Lord Drive
Car Route Details
A richer read on the saved driving route between Saint Clair and Castle Point.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 44 East
Merge slight left
40 mi · 00h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Rain Showers leaving Saint Clair and Mostly Sunny near Castle Point.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Clair to Castle Point?
The road trip is about 63.4 miles (102 km) and usually takes 01h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Sherman is a useful midpoint, sitting about 28.6 miles from Saint Clair and 34.8 miles from Castle Point.
How much longer is the road route than the straight-line distance?
The direct path is about 48.8 miles (78.5 km), while the road route adds roughly 14.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.45 one way or $16.89 round trip. Estimated CO2 is about 19.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Saint Clair and Mostly Sunny near Castle Point.
Stop Ideas Near Sherman
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 Sherman.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between Saint Clair and Castle Point. Straight-line distance: 48.8 mi (78.53 km).
#1 Saint Clair
City in Franklin County, Missouri, United States
| Population | 4,689 |
| Coordinates | 38.3453300, -90.9809700 |
| Altitude | 234 |
| 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: 102 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 06m |
| 40 mph (64.37 km/h) | 01h 35m |
| 50 mph (80.47 km/h) | 01h 16m |
| 60 mph (96.56 km/h) | 01h 03m |
| 70 mph (112.65 km/h) | 00h 54m |
| 80 mph (129 km/h) | 00h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $8.45 | $16.89 |
| Mid-grade | $4.25 | $9.53 | $19.05 |
| Premium | $4.65 | $10.42 | $20.85 |
| Diesel | $5.30 | $11.88 | $23.76 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.