How far is Rockville, MD from La Plata, MD?
The driving distance from Rockville, MD to La Plata, MD is about 57.5 miles (92.5 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 39.5 miles (63.6 km).
- For a round trip, plan for roughly 02h 49m 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 24m.
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.
Census designated place in 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 Rockville and La Plata.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and La Plata.
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1
Start on South Washington Street
19 m · 9 sec · South Washington Street
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2
Turn left onto West Montgomery Avenue
1144 ft · 34 sec · West Montgomery Avenue
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3
Continue on Great Falls Road
1 km · 2 min · Great Falls Road
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4
Turn right onto Falls Road
132 m · 17 sec · Falls Road
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5
Continue on Falls Road
144 m · 18 sec · Falls Road
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6
Take the ramp slight left toward I 270 South
1769 ft · 51 sec
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7
Merge slight left
2.6 mi · 3 min
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8
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
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9
Merge slight right onto Capital Beltway
25.7 mi · 34 min · Capital Beltway
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10
Take the exit slight right toward MD 337: Andrews Air Force Base Main Gate, Morningside
1256 ft · 34 sec
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11
Turn right onto Forestville Road
130 m · 12 sec · Forestville Road
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12
Turn slight right onto MD 337 South
2.2 mi · 5 min
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13
Turn left onto MD 5 South: Waldorf
2410 ft · 40 sec
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14
Merge slight left onto Branch Avenue
8.1 mi · 10 min · Branch Avenue
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15
Merge slight right onto Crain Highway
13.6 mi · 22 min · Crain Highway
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16
Turn left onto Charles Street
2232 ft · 1 min · Charles Street
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17
Turn left onto Kent Avenue
17 m · 4 sec · Kent Avenue
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18
Turn right
3 m · 1 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 Rockville and La Plata.
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.
Capital Beltway
Merge slight right onto Capital Beltway
25.7 mi · 00h 34m
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 Rockville and Mostly Sunny near La Plata.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockville to La Plata?
The road trip is about 57.5 miles (92.5 km) and usually takes 01h 24m 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?
Walker Mill is a useful midpoint, sitting about 28.8 miles from Rockville and 28.8 miles from La Plata.
How much longer is the road route than the straight-line distance?
The direct path is about 39.5 miles (63.6 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 3:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.29 one way or $16.59 round trip. Estimated CO2 is about 18 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockville and Mostly Sunny near La Plata.
Stop Ideas Near Walker Mill
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 Walker Mill.
New Carrollton station
Washington Union Station
Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Rockville and La Plata. Straight-line distance: 39.5 mi (63.57 km).
#1 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
#2 La Plata
Town in Maryland, United States
| Population | 9,800 |
| Coordinates | 38.5292900, -76.9752500 |
| Altitude | 57 |
| Country | United States |
End: La Plata (-76.97525, 38.52929)
Estimated Travel Time
Distance: 93 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 54m |
| 40 mph (64.37 km/h) | 01h 26m |
| 50 mph (80.47 km/h) | 01h 08m |
| 60 mph (96.56 km/h) | 00h 57m |
| 70 mph (112.65 km/h) | 00h 49m |
| 80 mph (129 km/h) | 00h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $8.29 | $16.59 |
| Mid-grade | $4.60 | $9.34 | $18.67 |
| Premium | $4.95 | $10.06 | $20.11 |
| Diesel | $5.98 | $12.14 | $24.28 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.