How far is Columbia, MD from Walker Mill, MD?
The driving distance from Columbia, MD to Walker Mill, MD is about 36 miles (57.9 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 25.4 miles (40.8 km).
- For a round trip, plan for roughly 01h 40m 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 50m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated area in Montgomery and Prince George's County, 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 Columbia and Walker Mill.
Turn-by-Turn Driving Directions
Step-by-step road directions between Columbia and Walker Mill.
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1
Start on MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
123 m · 10 sec
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2
Turn straight onto Clarksville Pike
1031 ft · 19 sec · Clarksville Pike
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3
Continue on Clarksville Pike
565 ft · 26 sec · Clarksville Pike
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4
Take the ramp slight right toward US 29 South: Columbia, Town Center
2112 ft · 51 sec
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5
Merge slight left onto Columbia Pike
4.2 mi · 6 min · Columbia Pike
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6
Take the exit slight right toward MD 32 East: Fort Meade
1957 ft · 1 min
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7
Keep slight left to continue on Shaker Drive, Eden Brook Drive
551 ft · 14 sec
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8
Merge slight left onto Patuxent Freeway
2.4 mi · 3 min · Patuxent Freeway
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9
Take the exit slight right toward I 95 South: Washington
3124 ft · 1 min
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10
Merge slight left
24.3 mi · 31 min
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11
Take the exit slight right toward MD 221A: Capitol Heights, Upper Marlboro
1696 ft · 41 sec
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12
Keep slight left to continue on East Upper Marlboro, Ritchie - Marlboro Road
628 ft · 15 sec
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13
Enter the roundabout and take exit 1 toward Ritchie Marlboro Road
6 m · 1 sec · Ritchie Marlboro Road
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14
Exit the roundabout onto Ritchie Marlboro Road
800 ft · 16 sec · Ritchie Marlboro Road
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15
Continue on Walker Mill Road
2.3 mi · 4 min · Walker Mill Road
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16
Turn right onto Karen Boulevard
2109 ft · 2 min · Karen Boulevard
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17
Arrive at your destination
0 m · 1 sec · Karen Boulevard
Car Route Details
A richer read on the saved driving route between Columbia and Walker Mill.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 95 South
Merge slight left
24.3 mi · 00h 31m
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 Columbia 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 Columbia to Walker Mill?
The road trip is about 36 miles (57.9 km) and usually takes 00h 50m 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 18 miles from Columbia and 18 miles from Walker Mill.
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 10.6 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 4:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.19 one way or $10.38 round trip. Estimated CO2 is about 11.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Columbia and Chance Rain Showers near Walker Mill.
Stop Ideas Near Calverton
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 Calverton.
New Carrollton station
Rockville station
Washington Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Columbia and Walker Mill. Straight-line distance: 25.35 mi (40.8 km).
#1 Columbia
Columbia is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.2403800, -76.8394200 |
| Altitude | 124 |
| 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: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.19 | $10.38 |
| Mid-grade | $4.60 | $5.84 | $11.68 |
| Premium | $4.95 | $6.29 | $12.58 |
| Diesel | $5.98 | $7.59 | $15.19 |
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.