How far is Clarksburg, MD from Rockville, MD?
The driving distance from Clarksburg, MD to Rockville, MD is about 14.2 miles (22.9 km), with a travel time of about 00h 19m by car.
- The straight-line flight distance is about 12.7 miles (20.4 km).
- For a round trip, plan for roughly 00h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 19m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
The second most populous city in Montgomery County, Maryland.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Clarksburg and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clarksburg and Rockville.
-
1
Start on Frederick Road
589 ft · 21 sec · Frederick Road
-
2
Turn right onto Stringtown Road
1409 ft · 36 sec · Stringtown Road
-
3
Continue on Clarksburg Road
1609 ft · 32 sec · Clarksburg Road
-
4
Take the ramp slight right toward I 270 South: Washington
1319 ft · 34 sec
-
5
Merge slight left onto Eisenhower Memorial Highway
9.2 mi · 12 min · Eisenhower Memorial Highway
-
6
Keep slight right
2.5 mi · 3 min
-
7
Take the exit slight right toward MD 28: West Montgomery Avenue
1074 ft · 28 sec
-
8
Turn left onto Key West Highway
957 ft · 33 sec · Key West Highway
-
9
Continue on West Montgomery Avenue
1.5 km · 2 min · West Montgomery Avenue
-
10
Turn left onto West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
-
11
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
-
12
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Clarksburg 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.
Eisenhower Memorial Highway
Merge slight left onto Eisenhower Memorial Highway
9.15 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Clear leaving Clarksburg and Sunny near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clarksburg to Rockville?
The road trip is about 14.2 miles (22.9 km) and usually takes 00h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Gaithersburg is a useful midpoint, sitting about 7.1 miles from Clarksburg and 7.1 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 12.7 miles (20.4 km), while the road route adds roughly 1.5 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 7:00 AM to 7:00 PM EST. If you want a more comfortable same-day return, try to leave by 7:52 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.97 one way or $3.94 round trip. Estimated CO2 is about 4.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Clarksburg and Sunny near Rockville.
Stop Ideas Near Gaithersburg
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Gaithersburg.
Rockville station
Washington Union Station
Frederick Airport, MD
Frederick, MD
Flight Path Map
This map shows the direct air route between Clarksburg and Rockville. Straight-line distance: 12.66 mi (20.38 km).
#1 Clarksburg
Clarksburg is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.2387200, -77.2794300 |
| Altitude | 202 |
| 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: 23 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 28m |
| 40 mph (64.37 km/h) | 00h 21m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.94 | $1.97 | $3.94 |
| Mid-grade | $4.56 | $2.28 | $4.56 |
| Premium | $4.88 | $2.44 | $4.88 |
| Diesel | $6.29 | $3.15 | $6.29 |
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 · Nov 07, 2026