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

The driving distance from Walker Mill, MD to Olney, MD is about 32.9 miles (53 km), with a travel time of about 00h 45m by car.

  • The straight-line flight distance is about 21.4 miles (34.5 km).
  • For a round trip, plan for roughly 01h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
32.95 mi
00h 45m
Flight
21.46 mi
34.53 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Walker Mill.

Flight Distance

Direct air line
21.46 mi
Kilometers
34.53 km
Flight Time
00h 02m

Driving Distance

Road route
32.95 mi
Kilometers
53.03 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 Olney
Sun, Apr 19, 6:22 AM EDT
Return by in Walker Mill
Sun, Apr 19, 7:08 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Walker Mill
2026-04-19T05:36
Arrive Olney
Sun, Apr 19, 6:22 AM EDT
Route Timing
00h 45m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:46 AM to 10:46 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:58 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Walker Mill
9:30 PM EDT
Morning start is best

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
Beltsville
MD

Census designated place in Prince George's County, Maryland, United States

From Walker Mill
14.8 mi
00h 22m
To Olney
18.1 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
9 to 14 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    1.6 mi · 2 min · Capital Beltway

  11. 11

    Take the exit slight right toward MD 650 North: New Hampshire Avenue, White Oak

    1952 ft · 47 sec

  12. 12

    Turn slight right onto New Hampshire Avenue

    6.4 mi · 11 min · New Hampshire Avenue

  13. 13

    Turn left onto Norwood Road

    2.9 mi · 6 min · Norwood Road

  14. 14

    Turn straight onto Doctor Bird Road

    1.1 km · 1 min · Doctor Bird Road

  15. 15

    Turn left onto Olney Sandy Spring Road

    1.4 mi · 2 min · Olney Sandy Spring Road

  16. 16

    Turn sharp left onto Georgia Avenue

    36 m · 14 sec · Georgia Avenue

  17. 17

    Arrive at your destination

    0 m · 1 sec · Georgia Avenue

Car Route Details

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

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
17 steps
10 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
51.5 / 100 mi
Decision points by distance
Main Roads
Capital Beltway
14.1 mi · 43%
New Hampshire Avenue
6.39 mi · 19%
Norwood Road
2.93 mi · 9%
Walker Mill Road
2.27 mi · 7%
Olney Sandy Spring Road
1.42 mi · 4%
Doctor Bird Road
0.69 mi · 2%
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 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.

Drive Time
00h 45m
Day trip friendly
Same-Day Return
01h 32m
Round-trip wheel time
Road vs Air
+11.5 mi
21.4 mi direct line
Halfway Stop
Beltsville
00h 22m from Walker Mill
Leave By
4:58 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 32.9 miles (53 km) and usually takes 00h 45m 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?

Beltsville is a useful midpoint, sitting about 14.8 miles from Walker Mill and 18.1 miles from Olney.

How much longer is the road route than the straight-line distance?

The direct path is about 21.4 miles (34.5 km), while the road route adds roughly 11.5 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 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 $4.74 one way or $9.48 round trip. Estimated CO2 is about 10.3 kg one way.

What should you check before leaving?

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

Stop Ideas Near Beltsville

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 Beltsville and the surrounding midpoint area.
United States Capitol
Scenic stop 10.2 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 9 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 2.1 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 Beltsville.

RAIL

New Carrollton station

10 mi away
4300 Garden City Drive
RAIL

Washington Union Station

18 mi away
50 Massachusetts Ave NE
RAIL

Rockville station

21 mi away
251 Hungerford Drive at Park Rd.
RAIL

BWI Rail Station

25 mi away
7 Amtrak Way

Flight Path Map

This map shows the direct air route between Walker Mill and Olney. Straight-line distance: 21.46 mi (34.53 km).

Walker Mill

#1 Walker Mill

Census designated place in Maryland, United States

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

#2 Olney

Unincorporated area of Montgomery County, Maryland, United States of America

Population33,844
Coordinates39.1531600, -77.0669200
Altitude165
CountryUnited States
Start: Karen Boulevard (-76.888425, 38.875479)
End: Georgia Avenue (-77.066929, 39.153178)

Estimated Travel Time

Distance: 53 km by road

SpeedTime
30 mph (48.3 km/h)01h 05m
40 mph (64.37 km/h)00h 49m
50 mph (80.47 km/h)00h 39m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 28m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.16 gal
4.4 L · about $4.74
Round trip
$9.48
2.32 gal · 8.8 L
Estimated CO2
10.3 kg one way
Round trip: 20.6 kg / 45 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.74 $9.48
Mid-grade $4.60 $5.33 $10.67
Premium $4.95 $5.75 $11.49
Diesel $5.98 $6.94 $13.87

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 Olney. The current time is 05:36:29.

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.