How far is Castle Point, MO from Saint Martins, MO?
The driving distance from Castle Point, MO to Saint Martins, MO is about 135.4 miles (217.9 km), with a travel time of about 02h 42m by car.
- The straight-line flight distance is about 113.2 miles (182.2 km).
- For a round trip, plan for roughly 05h 25m 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 42m.
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.
City in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Castle Point and Saint Martins.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Point and Saint Martins.
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1
Start on Lord Drive
87 m · 15 sec · Lord Drive
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2
Turn right onto Duchess Drive
1166 ft · 53 sec · Duchess Drive
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3
Turn right onto Edgefield Drive
1370 ft · 1 min · Edgefield Drive
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4
Turn left onto Hudson Drive
1352 ft · 1 min · Hudson Drive
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5
At the end of the road, turn right onto Halls Ferry Road
1766 ft · 30 sec · Halls Ferry Road
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6
Keep slight left to continue on New Halls Ferry Road
1.1 km · 1 min · New Halls Ferry Road
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7
Turn left onto Dunn Road
1913 ft · 53 sec · Dunn Road
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8
Take the ramp straight toward I 270 West
1385 ft · 34 sec
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9
Merge slight left onto Rosemary Straub Davison Highway
8.6 mi · 11 min · Rosemary Straub Davison Highway
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10
Take the exit slight right toward I 70: Saint Louis, Kansas City
1492 ft · 26 sec
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11
Continue on I 70: Saint Louis, Kansas City
2478 ft · 43 sec
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12
Keep slight right to continue on I 70 West: Kansas City
2439 ft · 42 sec
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13
Merge slight left
84.1 mi · 1 hr 39 min
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14
Take the exit slight right toward US 54: Auxvasse, Mexico, Fulton
1196 ft · 28 sec
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15
Turn left
29.6 mi · 33 min
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16
Take the exit slight right toward US 63 South, US 50
66 m · 5 sec
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17
Keep slight left to continue on US 63 South, US 50
724 ft · 16 sec
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18
Keep slight right to continue on US 50 West: Sedalia
1203 ft · 29 sec
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19
Merge slight left
7.6 mi · 9 min
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20
Take the exit slight right toward MO D, MO T: Saint Martins, Lohman
1862 ft · 46 sec
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21
Turn right onto Lomo Drive
923 ft · 21 sec · Lomo Drive
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22
Turn left onto Business 50 West
1.1 km · 1 min · Business 50 West
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23
Arrive at your destination
0 m · 1 sec · Business 50 West
Car Route Details
A richer read on the saved driving route between Castle Point and Saint Martins.
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 70 West
Merge slight left
84.1 mi · 01h 39m
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 Castle Point and Slight Chance Showers And Thunderstorms near Saint Martins.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Point to Saint Martins?
The road trip is about 135.4 miles (217.9 km) and usually takes 02h 42m 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?
New Florence is a useful midpoint, sitting about 67.6 miles from Castle Point and 67.8 miles from Saint Martins.
How much longer is the road route than the straight-line distance?
The direct path is about 113.2 miles (182.2 km), while the road route adds roughly 22.2 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 1:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.03 one way or $36.05 round trip. Estimated CO2 is about 42.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Castle Point and Slight Chance Showers And Thunderstorms near Saint Martins.
Stop Ideas Near New Florence
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 New Florence.
Hermann
Washington
Jefferson City
Kirkwood
Flight Path Map
This map shows the direct air route between Castle Point and Saint Martins. Straight-line distance: 113.24 mi (182.25 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 Saint Martins
City in Cole County, MO
| Population | 1,204 |
| Coordinates | 38.5942000, -92.3371300 |
| Altitude | 237 |
| Country | United States |
End: Saint Martins (-92.33713, 38.5942)
Estimated Travel Time
Distance: 218 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 30m |
| 40 mph (64.37 km/h) | 03h 23m |
| 50 mph (80.47 km/h) | 02h 42m |
| 60 mph (96.56 km/h) | 02h 15m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.03 | $36.05 |
| Mid-grade | $4.25 | $20.33 | $40.66 |
| Premium | $4.65 | $22.25 | $44.49 |
| Diesel | $5.30 | $25.35 | $50.71 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.