How far is Saint Charles, MD from Walker Mill, MD?
The driving distance from Saint Charles, MD to Walker Mill, MD is about 24 miles (38.6 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 19 miles (30.6 km).
- For a round trip, plan for roughly 01h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 38m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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.
Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Saint Charles and Walker Mill.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Walker Mill.
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1
Start on Crain Highway
1744 ft · 29 sec · Crain Highway
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2
Continue on Crain Highway
8 mi · 13 min · Crain Highway
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3
Keep slight left to continue on Branch Avenue
10.6 mi · 14 min · Branch Avenue
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4
Take the exit slight right
1935 ft · 53 sec
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5
Turn straight onto Saint Barnabas Road
2207 ft · 46 sec · Saint Barnabas Road
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6
Turn right onto Silver Hill Road
2.9 mi · 6 min · Silver Hill Road
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7
Continue on Walker Mill Road
2932 ft · 51 sec · Walker Mill Road
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8
Keep slight right to continue on Walker Mill Road
2029 ft · 43 sec · Walker Mill Road
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9
Turn left onto Karen Boulevard
2109 ft · 2 min · Karen Boulevard
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10
Arrive at your destination
0 m · 1 sec · Karen Boulevard
Car Route Details
A richer read on the saved driving route between Saint Charles and Walker Mill.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Branch Avenue
Keep slight left to continue on Branch Avenue
10.6 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving Saint Charles and Chance Rain Showers near Walker Mill.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Walker Mill?
The road trip is about 24 miles (38.6 km) and usually takes 00h 38m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Brandywine is a useful midpoint, sitting about 12 miles from Saint Charles and 12 miles from Walker Mill.
How much longer is the road route than the straight-line distance?
The direct path is about 19 miles (30.6 km), while the road route adds roughly 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.47 one way or $6.95 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Charles and Chance Rain Showers near Walker Mill.
Stop Ideas Near Brandywine
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
District of Columbia Court
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brandywine.
Union Station
Washington Union Station
New Carrollton station
Lorton station
Flight Path Map
This map shows the direct air route between Saint Charles and Walker Mill. Straight-line distance: 19 mi (30.58 km).
#1 Saint Charles
City in St.
| Population | 36,376 |
| Coordinates | 38.6031700, -76.9385800 |
| Altitude | 61 |
| Country | United States |
#2 Walker Mill
Census designated place in Maryland, United States
| Population | 11,302 |
| Coordinates | 38.8753900, -76.8883100 |
| Altitude | 61 |
| Country | United States |
End: Walker Mill (-76.88831, 38.87539)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.47 | $6.95 |
| Mid-grade | $4.60 | $3.91 | $7.82 |
| Premium | $4.95 | $4.21 | $8.42 |
| Diesel | $5.98 | $5.08 | $10.17 |
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 Maryland · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.