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

The driving distance from Walker Mill, MD to Columbia, MD is about 38.5 miles (62 km), with a travel time of about 00h 49m by car.

  • The straight-line flight distance is about 25.4 miles (40.8 km).
  • For a round trip, plan for roughly 01h 38m 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
38.51 mi
00h 49m
Flight
25.35 mi
40.8 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
25.35 mi
Kilometers
40.8 km
Flight Time
00h 03m

Driving Distance

Road route
38.51 mi
Kilometers
61.97 km
Drive Time
00h 49m

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 49m.

Arrival Snapshot
Arrive in Columbia
Sun, Apr 19, 7:45 AM EDT
Return by in Walker Mill
Sun, Apr 19, 8:34 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Walker Mill
2026-04-19T06:56
Arrive Columbia
Sun, Apr 19, 7:45 AM EDT
Route Timing
00h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:49 AM to 10:49 AM EDT

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

Leave by
4:52 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
Calverton
MD

Unincorporated area in Montgomery and Prince George's County, Maryland, United States

From Walker Mill
19.8 mi
00h 24m
To Columbia
18.8 mi
00h 24m

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
12 to 18 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 right to continue on I-95 North: Baltimore

    16.3 mi · 19 min

  11. 11

    Take the exit slight right toward MD 100 West: Ellicott City

    1649 ft · 47 sec

  12. 12

    Merge slight left

    5.2 mi · 7 min

  13. 13

    Keep slight left to continue on US 29 South: Washington

    3071 ft · 48 sec

  14. 14

    Merge slight right onto Columbia Pike

    2504 ft · 31 sec · Columbia Pike

  15. 15

    Take the exit slight right toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice

    2076 ft · 51 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
16 steps
5 turns on the saved route
Ramps & Exits
9
3 merges, 6 ramps or exits
Navigation Density
41.6 / 100 mi
Decision points by distance
Main Roads
I-95 North
16.3 mi · 42%
Capital Beltway
12.5 mi · 32%
MD 100 West
5.56 mi · 14%
Walker Mill Road
2.27 mi · 6%
US 29 South
0.58 mi · 2%
Ritchie Marlboro Road
0.49 mi · 1%
Longest Stretch

I-95 North

Keep slight right to continue on I-95 North: Baltimore

16.3 mi · 00h 19m

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 49m
Day trip friendly
Same-Day Return
01h 38m
Round-trip wheel time
Road vs Air
+13.1 mi
25.4 mi direct line
Halfway Stop
Calverton
00h 24m from Walker Mill
Leave By
4:52 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 38.5 miles (62 km) and usually takes 00h 49m 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?

Calverton is a useful midpoint, sitting about 19.8 miles from Walker Mill and 18.8 miles from Columbia.

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

The direct path is about 25.4 miles (40.8 km), while the road route adds roughly 13.1 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 4:52 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.56 one way or $11.11 round trip. Estimated CO2 is about 12.1 kg one way.

What should you check before leaving?

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

Stop Ideas Near Calverton

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 Calverton and the surrounding midpoint area.
United States Capitol
Scenic stop 12.9 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 11.6 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
The John Wilson Building
Meeting point 13 mi away

The John Wilson Building

Washington , DC
1350 Pennsylvania Avenue NW, Washington, DC 20004
Rating 4.6/5 21 reviews City government office
Town Hall Liquor And Bar
Nearby stop 5 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 Calverton.

RAIL

New Carrollton station

13 mi away
4300 Garden City Drive
RAIL

Rockville station

18 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

19 mi away
50 Massachusetts Ave NE
RAIL

BWI Rail Station

26 mi away
7 Amtrak Way

Flight Path Map

This map shows the direct air route between Walker Mill and Columbia. Straight-line distance: 25.35 mi (40.8 km).

Walker Mill

#1 Walker Mill

Census designated place in Maryland, United States

Population11,302
Coordinates38.8753900, -76.8883100
Altitude61
CountryUnited States
Photo coming soon

#2 Columbia

Columbia is a place in Maryland, United States.

Population0
Coordinates39.2403800, -76.8394200
Altitude124
CountryUnited States
Start: Karen Boulevard (-76.888425, 38.875479)
End: (-76.839402, 39.240355)

Estimated Travel Time

Distance: 62 km by road

SpeedTime
30 mph (48.3 km/h)01h 16m
40 mph (64.37 km/h)00h 57m
50 mph (80.47 km/h)00h 46m
60 mph (96.56 km/h)00h 38m
70 mph (112.65 km/h)00h 33m
80 mph (129 km/h)00h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.36 gal
5.14 L · about $5.56
Round trip
$11.11
2.72 gal · 10.28 L
Estimated CO2
12.1 kg one way
Round trip: 24.2 kg / 53 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $5.56 $11.11
Mid-grade $4.60 $6.25 $12.51
Premium $4.95 $6.74 $13.47
Diesel $5.98 $8.13 $16.27

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 Columbia. The current time is 06:56:38.

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.