How far is Castle Point, MO from Potosi, MO?
The driving distance from Castle Point, MO to Potosi, MO is about 82.4 miles (132.6 km), with a travel time of about 01h 56m by car.
- The straight-line flight distance is about 63.9 miles (102.8 km).
- For a round trip, plan for roughly 03h 52m 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 56m.
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.
Roman town
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Castle Point and Potosi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point and Potosi.
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1
Start on Lord Drive
2556 ft · 2 min · Lord Drive
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2
At the end of the road, turn right onto Chambers Road
2011 ft · 40 sec · Chambers Road
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3
Turn left onto Halls Ferry Road
2 mi · 3 min · Halls Ferry Road
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4
Enter the roundabout and take exit 3 toward Halls Ferry Circle
142 m · 10 sec · Halls Ferry Road
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5
Exit the rotary onto Halls Ferry Road
1.4 km · 2 min · Halls Ferry Road
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6
Turn slight right onto North Broadway
2 mi · 5 min · North Broadway
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7
Turn right onto Carrie Avenue
960 ft · 35 sec · Carrie Avenue
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8
Take the ramp straight toward I 70 East
1011 ft · 16 sec
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9
Merge slight left onto Mark Twain Expressway
1.4 mi · 2 min · Mark Twain Expressway
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10
Continue on Andy Gammon Memorial Highway
1.5 mi · 2 min · Andy Gammon Memorial 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
Continue on Ozark Expressway
1.4 km · 1 min · Ozark Expressway
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13
Keep slight left to continue on Ozark Expressway
13.2 mi · 17 min · Ozark Expressway
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14
Continue on Officer Thomas G. Smith, Jr. Memorial Highway
1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway
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15
Continue on Police Officer Steven Jarvis Memorial Highway
18.3 mi · 20 min · Police Officer Steven Jarvis Memorial Highway
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16
Take the exit slight right toward US 67 South: Farmington, Poplar Bluff
914 ft · 20 sec
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17
Keep slight left
729 ft · 18 sec
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18
Enter the roundabout and take exit 1 toward the route
9 m · 1 sec
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19
Exit the roundabout
5.9 mi · 7 min
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20
Take the exit slight right toward MO CC, MO 110: Olympian Village, De Soto
1350 ft · 32 sec
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21
Turn right
4.1 mi · 5 min
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22
Turn left onto Fountain City Road
1.2 km · 2 min · Fountain City Road
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23
Turn left onto North Main Street
1.1 mi · 2 min · North Main Street
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24
Turn right onto Amvets Drive
1.1 mi · 2 min · Amvets Drive
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25
At the end of the road, turn left
22.6 mi · 37 min
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26
Turn right onto East High Street
1 mi · 2 min · East High Street
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27
Arrive at your destination
0 m · 1 sec · West High Street
Car Route Details
A richer read on the saved driving route between Castle Point and Potosi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Longest stretch
At the end of the road, turn left
22.6 mi · 00h 37m
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 Castle Point and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Potosi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Point to Potosi?
The road trip is about 82.4 miles (132.6 km) and usually takes 01h 56m 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?
Herculaneum is a useful midpoint, sitting about 41.2 miles from Castle Point and 41.2 miles from Potosi.
How much longer is the road route than the straight-line distance?
The direct path is about 63.9 miles (102.8 km), while the road route adds roughly 18.5 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 2:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.97 one way or $21.95 round trip. Estimated CO2 is about 25.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Castle Point and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Potosi.
Stop Ideas Near Herculaneum
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 Herculaneum.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between Castle Point and Potosi. Straight-line distance: 63.86 mi (102.78 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 Potosi
County seat of Washington County, Missouri, United States
| Population | 2,548 |
| Coordinates | 37.9364400, -90.7879100 |
| Altitude | 275 |
| Country | United States |
End: Potosi (-90.78791, 37.93644)
Estimated Travel Time
Distance: 133 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 44m |
| 40 mph (64.37 km/h) | 02h 03m |
| 50 mph (80.47 km/h) | 01h 38m |
| 60 mph (96.56 km/h) | 01h 22m |
| 70 mph (112.65 km/h) | 01h 10m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.97 | $21.95 |
| Mid-grade | $4.25 | $12.38 | $24.75 |
| Premium | $4.65 | $13.54 | $27.09 |
| Diesel | $5.30 | $15.43 | $30.87 |
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.