How far is Rosaryville, MD from Rockville, MD?
The driving distance from Rosaryville, MD to Rockville, MD is about 39.8 miles (64 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 29.2 miles (47 km).
- For a round trip, plan for roughly 01h 45m 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.
City in Prince George's County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Rosaryville and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rosaryville and Rockville.
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1
Start on Crain Highway
1726 ft · 34 sec · Crain Highway
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2
Continue on Crain Highway
1931 ft · 42 sec · Crain Highway
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3
Turn right onto Rosaryville Road
2.7 mi · 5 min · Rosaryville Road
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4
Continue on Woodyard Road
2.4 mi · 4 min · Woodyard Road
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5
Turn straight onto Melwood Road
125 m · 10 sec · Melwood Road
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6
Continue on Melwood Road
100 m · 17 sec · Melwood Road
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7
Take the ramp right toward MD 4 North
1418 ft · 35 sec
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8
Merge slight left onto Pennsylvania Avenue
2.5 mi · 3 min · Pennsylvania Avenue
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9
Take the exit slight right toward I 95 North, I 495 North: Baltimore, College Park
2160 ft · 46 sec
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10
Merge slight left onto Capital Beltway
14.9 mi · 20 min · Capital Beltway
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11
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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12
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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13
Keep slight right to continue on I 270 North
1.8 mi · 2 min
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14
Take the exit slight right toward MD 189: Falls Road
753 ft · 18 sec
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15
Keep slight right to continue on MD 189 North: Falls Road, Rockville, Town Center
567 ft · 14 sec
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16
Turn straight onto Falls Road
132 m · 21 sec · Falls Road
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17
Turn left onto Great Falls Road
1.1 km · 2 min · Great Falls Road
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18
Continue on West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
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19
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
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20
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Rosaryville and Rockville.
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 left onto Capital Beltway
14.9 mi · 00h 20m
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 leaving Rosaryville and Rain Showers near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rosaryville to Rockville?
The road trip is about 39.8 miles (64 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?
Greenbelt is a useful midpoint, sitting about 20.1 miles from Rosaryville and 19.7 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 29.2 miles (47 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 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.72 one way or $11.44 round trip. Estimated CO2 is about 12.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Rosaryville and Rain Showers near Rockville.
Stop Ideas Near Greenbelt
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 Greenbelt.
New Carrollton station
Washington Union Station
Rockville station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Rosaryville and Rockville. Straight-line distance: 29.17 mi (46.95 km).
#1 Rosaryville
Census designated place in Maryland, United States
| Population | 10,697 |
| Coordinates | 38.7567800, -76.8096900 |
| Altitude | 68 |
| 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: 64 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 19m |
| 40 mph (64.37 km/h) | 00h 59m |
| 50 mph (80.47 km/h) | 00h 47m |
| 60 mph (96.56 km/h) | 00h 39m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.72 | $11.44 |
| Mid-grade | $4.60 | $6.44 | $12.88 |
| Premium | $4.95 | $6.94 | $13.87 |
| Diesel | $5.98 | $8.37 | $16.74 |
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.