How far is Leonardtown, MD from Rockville, MD?
The driving distance from Leonardtown, MD to Rockville, MD is about 79.5 miles (127.9 km), with a travel time of about 01h 36m by car.
- The straight-line flight distance is about 61.5 miles (98.9 km).
- For a round trip, plan for roughly 03h 13m 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 36m.
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 Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Leonardtown and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Leonardtown and Rockville.
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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
18.3 mi · 25 min · Capital Beltway
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12
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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13
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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14
Keep slight right to continue on I 270 North
1.8 mi · 2 min
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15
Take the exit slight right toward MD 189: Falls Road
753 ft · 18 sec
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16
Keep slight right to continue on MD 189 North: Falls Road, Rockville, Town Center
567 ft · 14 sec
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17
Turn straight onto Falls Road
132 m · 21 sec · Falls Road
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18
Turn left onto Great Falls Road
1.1 km · 2 min · Great Falls Road
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19
Continue on West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
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20
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
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21
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Leonardtown and Rockville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Capital Beltway
Merge slight left onto Capital Beltway
18.3 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.
Showers And Thunderstorms Likely leaving Leonardtown and Showers And Thunderstorms Likely near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Leonardtown to Rockville?
The road trip is about 79.5 miles (127.9 km) and usually takes 01h 36m 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?
Rosaryville is a useful midpoint, sitting about 39.6 miles from Leonardtown and 39.8 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 61.5 miles (98.9 km), while the road route adds roughly 18 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 3:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.44 one way or $22.88 round trip. Estimated CO2 is about 24.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Leonardtown and Showers And Thunderstorms Likely near Rockville.
Stop Ideas Near Rosaryville
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
District of Columbia Court
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rosaryville.
New Carrollton station
Union Station
Washington Union Station
Lorton station
Flight Path Map
This map shows the direct air route between Leonardtown and Rockville. Straight-line distance: 61.46 mi (98.91 km).
#1 Leonardtown
Town in Maryland, United States
| Population | 3,912 |
| Coordinates | 38.2912400, -76.6357900 |
| Altitude | 26 |
| Country | United States |
#2 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
End: South Washington Street (-77.152887, 39.083997)
Estimated Travel Time
Distance: 128 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 38m |
| 40 mph (64.37 km/h) | 01h 59m |
| 50 mph (80.47 km/h) | 01h 35m |
| 60 mph (96.56 km/h) | 01h 19m |
| 70 mph (112.65 km/h) | 01h 08m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $11.44 | $22.88 |
| Mid-grade | $4.60 | $12.88 | $25.75 |
| Premium | $4.95 | $13.87 | $27.74 |
| Diesel | $5.98 | $16.74 | $33.49 |
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 · May 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.