How far is Walker Mill, MD from Rockville, MD?

The driving distance from Walker Mill, MD to Rockville, MD is about 31.3 miles (50.4 km), with a travel time of about 00h 45m by car.

  • The straight-line flight distance is about 20.3 miles (32.6 km).
  • For a round trip, plan for roughly 01h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
31.31 mi
00h 45m
Flight
20.24 mi
32.57 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Walker Mill.

Flight Distance

Direct air line
20.24 mi
Kilometers
32.57 km
Flight Time
00h 02m

Driving Distance

Road route
31.31 mi
Kilometers
50.39 km
Drive Time
00h 45m

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 45m.

Arrival Snapshot
Arrive in Rockville
Sun, Apr 19, 6:27 AM EDT
Return by in Walker Mill
Sun, Apr 19, 7:13 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Walker Mill
2026-04-19T05:42
Arrive Rockville
Sun, Apr 19, 6:27 AM EDT
Route Timing
00h 45m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:45 AM to 7:45 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:00 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Walker Mill
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Hillandale
MD

Census-designated place Maryland, United States

From Walker Mill
16.1 mi
00h 22m
To Rockville
15.2 mi
00h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
9 to 15 mph W
Destination
61°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
13 to 18 mph NW

Driving Route Map

The map below follows the saved road route between Walker Mill and Rockville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Walker Mill and Rockville.

  1. 1

    Start on Karen Boulevard

    2109 ft · 2 min · Karen Boulevard

  2. 2

    Turn left onto Walker Mill Road

    2.3 mi · 4 min · Walker Mill Road

  3. 3

    Continue on Ritchie Marlboro Road

    549 ft · 11 sec · Ritchie Marlboro Road

  4. 4

    Continue on Ritchie Marlboro Road

    97 m · 5 sec · Ritchie Marlboro Road

  5. 5

    Enter the roundabout and take exit 2 toward Ritchie Marlboro Road

    41 m · 2 sec · Ritchie Marlboro Road

  6. 6

    Exit the roundabout onto Ritchie Marlboro Road

    1594 ft · 27 sec · Ritchie Marlboro Road

  7. 7

    Enter the roundabout and take exit 2 toward I 95 North, I 495 North

    87 m · 5 sec

  8. 8

    Exit the roundabout onto I 95 North, I 495 North

    2187 ft · 53 sec

  9. 9

    Merge slight left onto Capital Beltway

    12.5 mi · 17 min · Capital Beltway

  10. 10

    Keep slight left to continue on Capital Beltway

    9.5 mi · 12 min · Capital Beltway

  11. 11

    Keep slight right to continue on I 270 North: Frederick

    3.6 mi · 5 min

  12. 12

    Keep slight right to continue on I 270 North

    1.8 mi · 2 min

  13. 13

    Take the exit slight right toward MD 189: Falls Road

    753 ft · 18 sec

  14. 14

    Keep slight right to continue on MD 189 North: Falls Road, Rockville, Town Center

    567 ft · 14 sec

  15. 15

    Turn straight onto Falls Road

    132 m · 21 sec · Falls Road

  16. 16

    Turn left onto Great Falls Road

    1.1 km · 2 min · Great Falls Road

  17. 17

    Continue on West Montgomery Avenue

    1159 ft · 38 sec · West Montgomery Avenue

  18. 18

    Turn right onto South Washington Street

    19 m · 2 sec · South Washington Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · South Washington Street

Car Route Details

A richer read on the saved driving route between Walker Mill and Rockville.

OSRM road route
Drive Character

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.

Directions
19 steps
8 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
60.7 / 100 mi
Decision points by distance
Main Roads
Capital Beltway
22 mi · 70%
I 270 North
5.36 mi · 17%
Walker Mill Road
2.27 mi · 7%
Great Falls Road
0.66 mi · 2%
Ritchie Marlboro Road
0.49 mi · 2%
I 95 North
0.47 mi · 1%
Longest Stretch

Capital Beltway

Merge slight left onto Capital Beltway

12.5 mi · 00h 17m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 45m
Quick drive
Same-Day Return
01h 30m
Round-trip wheel time
Road vs Air
+11 mi
20.3 mi direct line
Halfway Stop
Hillandale
00h 22m from Walker Mill
Leave By
7:00 PM EDT
Flexible departure
Weather Watch

Chance Rain Showers leaving Walker Mill and Rain Showers near Rockville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Walker Mill to Rockville?

The road trip is about 31.3 miles (50.4 km) and usually takes 00h 45m 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?

Hillandale is a useful midpoint, sitting about 16.1 miles from Walker Mill and 15.2 miles from Rockville.

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 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 7:00 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.49 one way or $8.99 round trip. Estimated CO2 is about 9.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Walker Mill and Rain Showers near Rockville.

Stop Ideas Near Hillandale

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Hillandale and the surrounding midpoint area.
United States Capitol
Scenic stop 9.9 mi away

United States Capitol

Washington , DC
First St SE, Washington, DC 20004, United States
Rating 4.6/5 4,243 reviews Tourist attraction,Historical place,Historical landmark,Landmark,Federal government office
Stop photo coming soon
Practical stop 8.6 mi away

D C Government

Washington , DC
77 P St NE, Washington, DC 20002
Rating 5.0/5 2 reviews City government office,Telephone answering service
THEARC: Town Hall Education Arts Recreation Campus
Meeting point 12.5 mi away

THEARC: Town Hall Education Arts Recreation Campus

Washington , DC
1901 Mississippi Ave SE, Washington, DC 20020
Rating 4.7/5 64 reviews Recreation center,City Hall
Town Hall Liquor And Bar
Nearby stop 2.2 mi away

Town Hall Liquor And Bar

College Park , MD
8135 Baltimore Ave, College Park, MD 20740
Rating 4.3/5 319 reviews Liquor store,Bar

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hillandale.

RAIL

New Carrollton station

12 mi away
4300 Garden City Drive
RAIL

Washington Union Station

15 mi away
50 Massachusetts Ave NE
RAIL

Rockville station

16 mi away
251 Hungerford Drive at Park Rd.
RAIL

Union Station

26 mi away
110 Callahan Drive

Flight Path Map

This map shows the direct air route between Walker Mill and Rockville. Straight-line distance: 20.24 mi (32.57 km).

Walker Mill

#1 Walker Mill

Census designated place in Maryland, United States

Population11,302
Coordinates38.8753900, -76.8883100
Altitude61
CountryUnited States
Rockville

#2 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Start: Karen Boulevard (-76.888425, 38.875479)
End: South Washington Street (-77.152887, 39.083997)

Estimated Travel Time

Distance: 50 km by road

SpeedTime
30 mph (48.3 km/h)01h 02m
40 mph (64.37 km/h)00h 46m
50 mph (80.47 km/h)00h 37m
60 mph (96.56 km/h)00h 31m
70 mph (112.65 km/h)00h 26m
80 mph (129 km/h)00h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.1 gal
4.18 L · about $4.49
Round trip
$8.99
2.2 gal · 8.36 L
Estimated CO2
9.8 kg one way
Round trip: 19.6 kg / 43 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.49 $8.99
Mid-grade $4.60 $5.06 $10.12
Premium $4.95 $5.45 $10.90
Diesel $5.98 $6.58 $13.16

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

There is no time difference between Walker Mill and Rockville. The current time is 05:42:32.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.