How far is Piedmont, MO from Castle Point, MO?
The driving distance from Piedmont, MO to Castle Point, MO is about 143.4 miles (230.8 km), with a travel time of about 02h 27m by car.
- The straight-line flight distance is about 113.5 miles (182.6 km).
- For a round trip, plan for roughly 04h 55m 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 02h 27m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Piedmont and Castle Point.
Turn-by-Turn Driving Directions
Step-by-step road directions between Piedmont and Castle Point.
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1
Start on East Fir Street
20 m · 4 sec · East Fir Street
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2
Turn right onto North Main Street
1.5 km · 2 min · North Main Street
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3
Turn right
13.7 mi · 20 min
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4
Turn left
2815 ft · 1 min
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5
Continue straight
545 ft · 15 sec
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6
Merge slight left
81 mi · 1 hr 33 min
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7
Keep slight right
1750 ft · 27 sec
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8
Take the exit straight toward I 55 North: Saint Louis
1735 ft · 49 sec
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9
Merge slight left
20.5 mi · 22 min
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10
Continue on Rosa Parks Highway
14 mi · 18 min · Rosa Parks Highway
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11
Keep slight left to continue on Third Street Expressway
2 mi · 3 min · Third Street Expressway
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12
Merge slight right onto Andy Gammon Memorial Highway
1.4 mi · 2 min · Andy Gammon Memorial Highway
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13
Continue on Mark Twain Expressway
2.1 mi · 3 min · Mark Twain Expressway
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14
Take the exit slight right toward West Florissant Avenue
1121 ft · 25 sec
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15
Turn straight onto West Florissant Avenue
1.9 mi · 4 min · West Florissant Avenue
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16
Turn right onto Riverview Boulevard
1.2 mi · 2 min · Riverview Boulevard
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17
Enter the roundabout and take exit 4 toward Halls Ferry Circle
154 m · 10 sec · Halls Ferry Road
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18
Exit the rotary onto Halls Ferry Road
2 mi · 3 min · Halls Ferry Road
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19
Turn right onto Chambers Road
2011 ft · 39 sec · Chambers Road
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20
Turn left onto Lord Drive
2556 ft · 2 min · Lord Drive
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21
Arrive at your destination
0 m · 1 sec · Lord Drive
Car Route Details
A richer read on the saved driving route between Piedmont and Castle Point.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Main Street
Merge slight left
81 mi · 01h 33m
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.
Chance Showers And Thunderstorms leaving Piedmont and Chance 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 Piedmont to Castle Point?
The road trip is about 143.4 miles (230.8 km) and usually takes 02h 27m 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?
Bonne Terre is a useful midpoint, sitting about 71.7 miles from Piedmont and 71.7 miles from Castle Point.
How much longer is the road route than the straight-line distance?
The direct path is about 113.5 miles (182.6 km), while the road route adds roughly 29.9 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 1:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.08 one way or $38.16 round trip. Estimated CO2 is about 45 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Piedmont and Chance Showers And Thunderstorms near Castle Point.
Stop Ideas Near Bonne Terre
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 Bonne Terre.
Kirkwood
Washington
Gateway Transportation Center
Alton
Flight Path Map
This map shows the direct air route between Piedmont and Castle Point. Straight-line distance: 113.45 mi (182.58 km).
#1 Piedmont
City in Wayne County, Missouri
| Population | 1,879 |
| Coordinates | 37.1544900, -90.6956700 |
| Altitude | 151 |
| 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: 231 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 46m |
| 40 mph (64.37 km/h) | 03h 35m |
| 50 mph (80.47 km/h) | 02h 52m |
| 60 mph (96.56 km/h) | 02h 23m |
| 70 mph (112.65 km/h) | 02h 02m |
| 80 mph (129 km/h) | 01h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.08 | $38.16 |
| Mid-grade | $4.25 | $21.52 | $43.04 |
| Premium | $4.65 | $23.55 | $47.10 |
| Diesel | $5.30 | $26.84 | $53.68 |
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.