How far is Green Valley, MD from Rockville, MD?
The driving distance from Green Valley, MD to Rockville, MD is about 20.1 miles (32.4 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 17.4 miles (28 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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 27m.
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.
Census-designated place in Montgomery County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Green Valley and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Green Valley and Rockville.
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1
Start on the route
60 m · 16 sec
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2
Turn right
15 m · 9 sec
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3
Turn left onto Prices Distillery Road
37 m · 12 sec · Prices Distillery Road
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4
Turn left onto Green Valley Road
1.7 mi · 3 min · Green Valley Road
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5
At the end of the road, turn left onto Urbana Pike
1181 ft · 20 sec · Urbana Pike
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6
Continue on Frederick Road
2074 ft · 39 sec · Frederick Road
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7
Turn right onto Old Hundred Road
3159 ft · 1 min · Old Hundred Road
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8
Take the ramp left toward I 270 South: Washington
1134 ft · 30 sec
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9
Merge slight left onto Eisenhower Memorial Highway
12.8 mi · 17 min · Eisenhower Memorial Highway
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10
Keep slight right
2.5 mi · 3 min
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11
Take the exit slight right toward MD 28: West Montgomery Avenue
1074 ft · 28 sec
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12
Turn left onto Key West Highway
957 ft · 33 sec · Key West Highway
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13
Continue on West Montgomery Avenue
1.5 km · 2 min · West Montgomery Avenue
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14
Turn left onto West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
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15
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
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16
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Green Valley 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
12.8 mi · 00h 17m
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.
Rain Showers leaving Green Valley 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 Green Valley to Rockville?
The road trip is about 20.1 miles (32.4 km) and usually takes 00h 27m 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?
Germantown is a useful midpoint, sitting about 10 miles from Green Valley and 10.1 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 17.4 miles (28 km), while the road route adds roughly 2.7 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 EDT. If you want a more comfortable same-day return, try to leave by 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.90 one way or $5.80 round trip. Estimated CO2 is about 6.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Green Valley and Rain Showers near Rockville.
Stop Ideas Near Germantown
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 Germantown.
Rockville station
Frederick Airport, MD
Frederick, MD
Washington Union Station
Flight Path Map
This map shows the direct air route between Green Valley and Rockville. Straight-line distance: 17.38 mi (27.97 km).
#1 Green Valley
Town in Frederick County, Maryland, United States
| Population | 12,262 |
| Coordinates | 39.3092700, -77.2972100 |
| Altitude | 121 |
| 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: 32 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 40m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.90 | $5.80 |
| Mid-grade | $4.60 | $3.27 | $6.53 |
| Premium | $4.95 | $3.52 | $7.03 |
| Diesel | $5.98 | $4.25 | $8.49 |
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 · 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.