How far is Saint Charles, MO from Castor, MO?
The driving distance from Saint Charles, MO to Castor, MO is about 157.1 miles (252.8 km), with a travel time of about 03h 12m by car.
- The straight-line flight distance is about 121.7 miles (195.9 km).
- For a round trip, plan for roughly 06h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 12m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Driving Route Map
The map below follows the saved road route between Saint Charles and Castor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Castor.
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1
Start on North Second Street
949 ft · 38 sec · North Second Street
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2
Turn right onto Jefferson Street
1093 ft · 45 sec · Jefferson Street
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3
Turn left onto South Fifth Street
1.1 mi · 3 min · South Fifth Street
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4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
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5
Merge slight left
2.7 mi · 3 min
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6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
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8
Continue on I 270 South: Memphis
723 ft · 10 sec
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9
Merge slight left
19 mi · 24 min
-
10
Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
1911 ft · 27 sec
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11
Keep slight right to continue on I 55 South: Memphis
2031 ft · 44 sec
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12
Merge slight left onto Rosa Parks Highway
1.5 mi · 2 min · Rosa Parks Highway
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13
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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14
Continue on Police Officer Steven Jarvis Memorial Highway
101 mi · 1 hr 48 min · Police Officer Steven Jarvis Memorial Highway
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15
Take the exit slight right toward MO AB: Cape Girardeau Regional Airport
954 ft · 20 sec
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16
Keep slight right to continue on MO AB: Cape Girardeau Regional Airport
49 m · 4 sec
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17
Turn right onto Nash Road
5.6 mi · 8 min · Nash Road
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18
Enter the roundabout and take exit 2 toward MO 25 South: Delta
58 m · 4 sec
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19
Exit the roundabout onto MO 25 South: Delta
15.8 mi · 24 min
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20
Continue straight
2094 ft · 37 sec
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21
Continue straight
2.6 mi · 5 min
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22
Turn left
1.5 mi · 3 min
-
23
Turn right onto County Road 640
1.7 mi · 7 min · County Road 640
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24
Arrive at your destination
0 m · 1 sec · County Road 640
Car Route Details
A richer read on the saved driving route between Saint Charles and Castor.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Police Officer Steven Jarvis Memorial Highway
Continue on Police Officer Steven Jarvis Memorial Highway
101 mi · 01h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Saint Charles and Sunny near Castor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Castor?
The road trip is about 157.1 miles (252.8 km) and usually takes 03h 12m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Saint Mary is a useful midpoint, sitting about 78.5 miles from Saint Charles and 78.5 miles from Castor.
How much longer is the road route than the straight-line distance?
The direct path is about 121.7 miles (195.9 km), while the road route adds roughly 35.4 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.89 one way or $41.78 round trip. Estimated CO2 is about 49.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Saint Charles and Sunny near Castor.
Stop Ideas Near Saint Mary
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 Saint Mary.
Du Quoin
Carbondale station
Gateway Transportation Center
Kirkwood
Flight Path Map
This map shows the direct air route between Saint Charles and Castor. Straight-line distance: 121.71 mi (195.88 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Castor
Unincorporated community in Missouri
| Population | 4,951 |
| Coordinates | 37.0675500, -89.9787100 |
| Altitude | 107 |
| Country | United States |
End: Castor (-89.97871, 37.06755)
Estimated Travel Time
Distance: 253 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 14m |
| 40 mph (64.37 km/h) | 03h 55m |
| 50 mph (80.47 km/h) | 03h 08m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 14m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.89 | $41.78 |
| Mid-grade | $4.25 | $23.56 | $47.12 |
| Premium | $4.65 | $25.78 | $51.57 |
| Diesel | $5.30 | $29.38 | $58.77 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.