How far is Rockville, MD from Gaithersburg, MD?
The driving distance from Rockville, MD to Gaithersburg, MD is about 7.2 miles (11.6 km), with a travel time of about 00h 12m by car.
- The straight-line flight distance is about 4.8 miles (7.8 km).
- For a round trip, plan for roughly 00h 24m 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 12m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Rockville and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and Gaithersburg.
-
1
Start on South Washington Street
19 m · 9 sec · South Washington Street
-
2
Turn left onto West Montgomery Avenue
1021 ft · 28 sec · West Montgomery Avenue
-
3
Turn straight onto West Jefferson Street
89 m · 11 sec · West Jefferson Street
-
4
Continue on West Montgomery Avenue
1.2 km · 2 min · West Montgomery Avenue
-
5
Take the ramp slight right toward I 270 North: Frederick
1343 ft · 33 sec
-
6
Merge slight left onto I 270 North
4.2 mi · 6 min
-
7
Take the exit slight right toward MD 117, MD 124 South: Clopper Road, West Diamond Avenue, Quince Orchard Road
1387 ft · 42 sec
-
8
Turn left onto West Diamond Avenue
2537 ft · 51 sec · West Diamond Avenue
-
9
Turn left onto Meem Avenue
616 ft · 29 sec · Meem Avenue
-
10
Turn right onto Chestnut Street
1033 ft · 35 sec · Chestnut Street
-
11
Turn right onto North Frederick Avenue
77 m · 7 sec · North Frederick Avenue
-
12
Turn right
26 m · 6 sec
-
13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Rockville and Gaithersburg.
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.
I 270 North
Merge slight left onto I 270 North
4.2 mi · 00h 06m
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.
Slight Chance Rain Showers leaving Rockville and Chance Rain Showers near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockville to Gaithersburg?
The road trip is about 7.2 miles (11.6 km) and usually takes 00h 12m 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?
Washington Grove is a useful midpoint, sitting about 3.3 miles from Rockville and 3.9 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 4.8 miles (7.8 km), while the road route adds roughly 2.4 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 8:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.02 one way or $2.04 round trip. Estimated CO2 is about 2.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Rockville and Chance Rain Showers near Gaithersburg.
Stop Ideas Near Washington Grove
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
Herndon Old Town Hall
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Washington Grove.
Rockville station
Washington Union Station
New Carrollton station
Frederick Airport, MD
Flight Path Map
This map shows the direct air route between Rockville and Gaithersburg. Straight-line distance: 4.87 mi (7.83 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 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 12 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 14m |
| 40 mph (64.37 km/h) | 00h 10m |
| 50 mph (80.47 km/h) | 00h 08m |
| 60 mph (96.56 km/h) | 00h 07m |
| 70 mph (112.65 km/h) | 00h 06m |
| 80 mph (129 km/h) | 00h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.02 | $2.04 |
| Mid-grade | $4.60 | $1.15 | $2.30 |
| Premium | $4.95 | $1.24 | $2.48 |
| Diesel | $5.98 | $1.50 | $2.99 |
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 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.