How far is Leonardtown, MD from Catonsville, MD?
The driving distance from Leonardtown, MD to Catonsville, MD is about 83.6 miles (134.6 km), with a travel time of about 01h 46m by car.
- The straight-line flight distance is about 68 miles (109.4 km).
- For a round trip, plan for roughly 03h 32m 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 01h 46m.
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.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Leonardtown and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Leonardtown and Catonsville.
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1
Start on Fenwick Street
14 m · 7 sec · Fenwick Street
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2
Turn left onto Washington Street
2131 ft · 50 sec · Washington Street
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3
Turn left onto Point Lookout Road
11.7 mi · 19 min · Point Lookout Road
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4
Take the ramp straight
126 m · 11 sec
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5
Merge slight right onto Three Notch Road
6.9 mi · 10 min · Three Notch Road
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6
Continue on Leonardtown Road
10.6 mi · 15 min · Leonardtown Road
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7
Turn right onto Mattawoman Beantown Road
3.3 mi · 5 min · Mattawoman Beantown Road
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8
Merge slight left onto Crain Highway
2.5 mi · 4 min · Crain Highway
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9
Keep slight left to continue on Branch Avenue
9 mi · 12 min · Branch Avenue
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10
Take the exit slight right toward I 95 North, I 495 North: Baltimore, College Park
2193 ft · 53 sec
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11
Merge slight left onto Capital Beltway
14.2 mi · 19 min · Capital Beltway
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12
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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13
Keep slight left to continue on MD 295 North: Baltimore, Baltimore/Washington International Thurgood Marshall Airport
1100 ft · 27 sec
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14
Merge slight left onto Baltimore-Washington Parkway
17.9 mi · 25 min · Baltimore-Washington Parkway
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15
Take the exit slight right toward I 195 West: Catonsville
1549 ft · 38 sec
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16
Merge slight left onto Metropolitan Boulevard
3.7 mi · 4 min · Metropolitan Boulevard
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17
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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18
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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19
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
-
20
Turn right
11 m · 3 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Leonardtown and Catonsville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
Mostly Sunny leaving Leonardtown and Mostly Sunny near Catonsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Leonardtown to Catonsville?
The road trip is about 83.6 miles (134.6 km) and usually takes 01h 46m 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?
Camp Springs is a useful midpoint, sitting about 41.8 miles from Leonardtown and 41.9 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 68 miles (109.4 km), while the road route adds roughly 15.6 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 2:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.05 one way or $24.11 round trip. Estimated CO2 is about 26.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Leonardtown and Mostly Sunny near Catonsville.
Stop Ideas Near Camp Springs
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 Camp Springs.
Washington Union Station
Union Station
New Carrollton station
Lorton station
Flight Path Map
This map shows the direct air route between Leonardtown and Catonsville. Straight-line distance: 67.97 mi (109.38 km).
#1 Leonardtown
Town in Maryland, United States
| Population | 3,912 |
| Coordinates | 38.2912400, -76.6357900 |
| Altitude | 26 |
| 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: 135 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 47m |
| 40 mph (64.37 km/h) | 02h 05m |
| 50 mph (80.47 km/h) | 01h 40m |
| 60 mph (96.56 km/h) | 01h 23m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $12.05 | $24.11 |
| Mid-grade | $4.60 | $13.57 | $27.13 |
| Premium | $4.95 | $14.61 | $29.23 |
| Diesel | $5.98 | $17.64 | $35.28 |
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.