How far is Sainte Genevieve, MO from Castle Point, MO?
The driving distance from Sainte Genevieve, MO to Castle Point, MO is about 75.4 miles (121.3 km), with a travel time of about 01h 22m by car.
- The straight-line flight distance is about 54.8 miles (88.2 km).
- For a round trip, plan for roughly 02h 44m 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 22m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sainte Genevieve and Castle Point.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sainte Genevieve and Castle Point.
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1
Start on Jefferson Street
133 m · 24 sec · Jefferson Street
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2
Turn left onto North Main Street
124 m · 13 sec · North Main Street
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3
Turn right onto Merchant Street
903 ft · 42 sec · Merchant Street
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4
Turn left onto 3rd Street
106 m · 18 sec · 3rd Street
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5
Turn right onto Market Street
1 mi · 2 min · Market Street
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6
Turn right
7.3 mi · 11 min
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7
Continue straight
843 ft · 24 sec
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8
Take the ramp right toward I 55 North: Bloomsdale
1165 ft · 28 sec
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9
Merge slight right
40 mi · 43 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 Sainte Genevieve 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 55 North
Merge slight right
39.9 mi · 00h 43m
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving Sainte Genevieve and Mostly Sunny then 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 Sainte Genevieve to Castle Point?
The road trip is about 75.4 miles (121.3 km) and usually takes 01h 22m 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?
Barnhart is a useful midpoint, sitting about 37.4 miles from Sainte Genevieve and 38 miles from Castle Point.
How much longer is the road route than the straight-line distance?
The direct path is about 54.8 miles (88.2 km), while the road route adds roughly 20.6 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 3:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.03 one way or $20.06 round trip. Estimated CO2 is about 23.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Sainte Genevieve and Mostly Sunny then Chance Showers And Thunderstorms near Castle Point.
Stop Ideas Near Barnhart
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 Barnhart.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between Sainte Genevieve and Castle Point. Straight-line distance: 54.82 mi (88.22 km).
#1 Sainte Genevieve
City in and the county seat of Ste.
| Population | 4,410 |
| Coordinates | 37.9814400, -90.0417800 |
| Altitude | 117 |
| 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: 121 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 30m |
| 40 mph (64.37 km/h) | 01h 53m |
| 50 mph (80.47 km/h) | 01h 30m |
| 60 mph (96.56 km/h) | 01h 15m |
| 70 mph (112.65 km/h) | 01h 04m |
| 80 mph (129 km/h) | 00h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.03 | $20.06 |
| Mid-grade | $4.25 | $11.31 | $22.63 |
| Premium | $4.65 | $12.38 | $24.76 |
| Diesel | $5.30 | $14.11 | $28.22 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.