How far is Walker Mill, MD from Catonsville, MD?
The driving distance from Walker Mill, MD to Catonsville, MD is about 35.5 miles (57.1 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 28.6 miles (46.1 km).
- For a round trip, plan for roughly 01h 44m 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 52m.
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 in Prince George’s County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Walker Mill and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Walker Mill and Catonsville.
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1
Start on Karen Boulevard
2109 ft · 2 min · Karen Boulevard
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2
Turn left onto Walker Mill Road
2.3 mi · 4 min · Walker Mill Road
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3
Continue on Ritchie Marlboro Road
549 ft · 11 sec · Ritchie Marlboro Road
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4
Continue on Ritchie Marlboro Road
97 m · 5 sec · Ritchie Marlboro Road
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5
Enter the roundabout and take exit 2 toward Ritchie Marlboro Road
41 m · 2 sec · Ritchie Marlboro Road
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6
Exit the roundabout onto Ritchie Marlboro Road
1594 ft · 27 sec · Ritchie Marlboro Road
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7
Enter the roundabout and take exit 2 toward I 95 North, I 495 North
87 m · 5 sec
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8
Exit the roundabout onto I 95 North, I 495 North
2187 ft · 53 sec
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9
Merge slight left onto Capital Beltway
8.3 mi · 11 min · Capital Beltway
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10
Take the exit slight right toward MD 295 North: BWI Marshall Airport, Baltimore North, Baltimore-Washington Parkway
1285 ft · 31 sec
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11
Keep slight left to continue on MD 295 North: Baltimore, Baltimore/Washington International Thurgood Marshall Airport
1100 ft · 27 sec
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12
Merge slight left onto Baltimore-Washington Parkway
17.9 mi · 25 min · Baltimore-Washington Parkway
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13
Take the exit slight right toward I 195 West: Catonsville
1549 ft · 38 sec
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14
Merge slight left onto Metropolitan Boulevard
3.7 mi · 4 min · Metropolitan Boulevard
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15
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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16
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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17
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
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18
Turn right
11 m · 3 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Walker Mill and Catonsville.
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.
Baltimore-Washington Parkway
Merge slight left onto Baltimore-Washington Parkway
17.9 mi · 00h 25m
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.
Chance Rain Showers leaving Walker Mill and Rain Showers near Catonsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Walker Mill to Catonsville?
The road trip is about 35.5 miles (57.1 km) and usually takes 00h 52m 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?
South Laurel is a useful midpoint, sitting about 18.3 miles from Walker Mill and 17.3 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 28.6 miles (46.1 km), while the road route adds roughly 6.9 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 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.11 one way or $10.22 round trip. Estimated CO2 is about 11.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Walker Mill and Rain Showers near Catonsville.
Stop Ideas Near South Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
D C Government
City of Bowie
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Laurel.
New Carrollton station
BWI Rail Station
Washington Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Walker Mill and Catonsville. Straight-line distance: 28.66 mi (46.13 km).
#1 Walker Mill
Census designated place in Maryland, United States
| Population | 11,302 |
| Coordinates | 38.8753900, -76.8883100 |
| Altitude | 61 |
| Country | United States |
#2 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| Country | United States |
End: (-76.731988, 39.272037)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 10m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 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 | $5.11 | $10.22 |
| Mid-grade | $4.60 | $5.75 | $11.50 |
| Premium | $4.95 | $6.19 | $12.39 |
| Diesel | $5.98 | $7.48 | $14.95 |
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.