How far is Rockville, MD from Walker Mill, MD?
The driving distance from Rockville, MD to Walker Mill, MD is about 31.9 miles (51.4 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 20.3 miles (32.6 km).
- For a round trip, plan for roughly 01h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 00h 46m.
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 Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Rockville and Walker Mill.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and Walker Mill.
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1
Start on South Washington Street
19 m · 9 sec · South Washington Street
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2
Turn left onto West Montgomery Avenue
1144 ft · 34 sec · West Montgomery Avenue
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3
Continue on Great Falls Road
1 km · 2 min · Great Falls Road
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4
Turn right onto Falls Road
132 m · 17 sec · Falls Road
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5
Continue on Falls Road
144 m · 18 sec · Falls Road
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6
Take the ramp slight left toward I 270 South
1769 ft · 51 sec
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7
Merge slight left
2.6 mi · 3 min
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8
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
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9
Merge slight right onto Capital Beltway
21.9 mi · 29 min · Capital Beltway
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10
Take the exit slight right toward MD 221A: Capitol Heights, Upper Marlboro
1696 ft · 41 sec
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11
Keep slight left to continue on East Upper Marlboro, Ritchie - Marlboro Road
628 ft · 15 sec
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12
Enter the roundabout and take exit 1 toward Ritchie Marlboro Road
6 m · 1 sec · Ritchie Marlboro Road
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13
Exit the roundabout onto Ritchie Marlboro Road
800 ft · 16 sec · Ritchie Marlboro Road
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14
Continue on Walker Mill Road
2.3 mi · 4 min · Walker Mill Road
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15
Turn right onto Karen Boulevard
2109 ft · 2 min · Karen Boulevard
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16
Arrive at your destination
0 m · 1 sec · Karen Boulevard
Car Route Details
A richer read on the saved driving route between Rockville 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.
Capital Beltway
Merge slight right onto Capital Beltway
21.9 mi · 00h 29m
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.
Rain Showers leaving Rockville 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 Rockville to Walker Mill?
The road trip is about 31.9 miles (51.4 km) and usually takes 00h 46m 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?
Hillandale is a useful midpoint, sitting about 16 miles from Rockville and 16 miles from Walker Mill.
How much longer is the road route than the straight-line distance?
The direct path is about 20.3 miles (32.6 km), while the road route adds roughly 11.6 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 EDT. If you want a more comfortable same-day return, try to leave by 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.62 one way or $9.23 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Rockville and Chance Rain Showers near Walker Mill.
Stop Ideas Near Hillandale
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
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hillandale.
New Carrollton station
Washington Union Station
Rockville station
Union Station
Flight Path Map
This map shows the direct air route between Rockville and Walker Mill. Straight-line distance: 20.24 mi (32.57 km).
#1 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.62 | $9.23 |
| Mid-grade | $4.60 | $5.20 | $10.39 |
| Premium | $4.95 | $5.60 | $11.20 |
| Diesel | $5.98 | $6.76 | $13.51 |
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.