How far is Gaithersburg, MD from Green Valley, MD?

The driving distance from Gaithersburg, MD to Green Valley, MD is about 15 miles (24.1 km), with a travel time of about 00h 22m by car.

  • The straight-line flight distance is about 12.6 miles (20.2 km).
  • For a round trip, plan for roughly 00h 45m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
14.95 mi
00h 22m
Flight
12.55 mi
20.2 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Gaithersburg.

Flight Distance

Direct air line
12.55 mi
Kilometers
20.2 km
Flight Time
00h 01m

Driving Distance

Road route
14.95 mi
Kilometers
24.06 km
Drive Time
00h 22m

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 22m.

Arrival Snapshot
Arrive in Green Valley
Sun, Apr 19, 3:38 AM EDT
Return by in Gaithersburg
Sun, Apr 19, 4:00 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gaithersburg
2026-04-19T03:15
Arrive Green Valley
Sun, Apr 19, 3:38 AM EDT
Route Timing
00h 22m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:23 AM to 7:23 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:44 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Gaithersburg
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Germantown
MD

Census-designated place in Montgomery County, Maryland, United States

From Gaithersburg
7.5 mi
00h 11m
To Green Valley
7.5 mi
00h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
9 to 14 mph NW
Destination
59°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
13 to 17 mph NW

Driving Route Map

The map below follows the saved road route between Gaithersburg and Green Valley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Gaithersburg and Green Valley.

  1. 1

    Start on the route

    26 m · 12 sec

  2. 2

    Turn left onto North Frederick Avenue

    1.4 km · 1 min · North Frederick Avenue

  3. 3

    Turn left onto Quince Orchard Road

    1131 ft · 28 sec · Quince Orchard Road

  4. 4

    Take the ramp slight right toward I 270 North

    1199 ft · 29 sec

  5. 5

    Merge slight left

    10.6 mi · 14 min

  6. 6

    Take the exit slight right toward MD 109: ​Hyattstown, Barnesville

    1005 ft · 30 sec

  7. 7

    At the end of the road, turn left onto Old Hundred Road

    2325 ft · 1 min · Old Hundred Road

  8. 8

    Turn left onto Frederick Road

    2074 ft · 35 sec · Frederick Road

  9. 9

    Continue on Urbana Pike

    1181 ft · 24 sec · Urbana Pike

  10. 10

    Turn right onto Green Valley Road

    1.7 mi · 3 min · Green Valley Road

  11. 11

    Turn right onto Prices Distillery Road

    37 m · 8 sec · Prices Distillery Road

  12. 12

    Turn right

    15 m · 8 sec

  13. 13

    Turn left

    60 m · 15 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Gaithersburg and Green Valley.

OSRM road route
Drive Character

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.

Directions
14 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
94 / 100 mi
Decision points by distance
Main Roads
I 270 North
10.9 mi · 73%
Green Valley Road
1.67 mi · 11%
North Frederick Avenue
0.86 mi · 6%
Old Hundred Road
0.44 mi · 3%
Frederick Road
0.39 mi · 3%
Urbana Pike
0.22 mi · 1%
Longest Stretch

I 270 North

Merge slight left

10.6 mi · 00h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 22m
Quick drive
Same-Day Return
00h 46m
Round-trip wheel time
Road vs Air
+2.4 mi
12.6 mi direct line
Halfway Stop
Germantown
00h 11m from Gaithersburg
Leave By
7:44 PM EDT
Flexible departure
Weather Watch

Rain Showers Likely leaving Gaithersburg and Rain Showers near Green Valley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Gaithersburg to Green Valley?

The road trip is about 15 miles (24.1 km) and usually takes 00h 22m 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 7.5 miles from Gaithersburg and 7.5 miles from Green Valley.

How much longer is the road route than the straight-line distance?

The direct path is about 12.6 miles (20.2 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 7:44 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.17 one way or $4.33 round trip. Estimated CO2 is about 4.7 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Gaithersburg and Rain Showers near Green Valley.

Stop Ideas Near Germantown

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Germantown and the surrounding midpoint area.
Griffith Park at City Hall
Scenic stop 7.5 mi away

Griffith Park at City Hall

Gaithersburg , MD
29 S Summit Ave, Gaithersburg, MD 20877, United States
Rating 4.6/5 57 reviews Park
Gaithersburg City Hall
Meeting point 7.4 mi away

Gaithersburg City Hall

Gaithersburg , MD
31 S Summit Ave, Gaithersburg, MD 20877
Rating 4.1/5 14 reviews City Hall,City clerk's office,City government office
City of Rockville City Hall
Scenic stop 12 mi away

City of Rockville City Hall

Rockville , MD
111 Maryland Ave, Rockville, MD 20850, United States
Rating 4.5/5 4 reviews Park

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Germantown.

RAIL

Rockville station

15 mi away
251 Hungerford Drive at Park Rd.
BUS

Frederick Airport, MD

29 mi away
1341 Hughes Ford Road
RAIL

Frederick, MD

29 mi away
100 South East Street
RAIL

Washington Union Station

38 mi away
50 Massachusetts Ave NE

Flight Path Map

This map shows the direct air route between Gaithersburg and Green Valley. Straight-line distance: 12.55 mi (20.2 km).

Gaithersburg

#1 Gaithersburg

The second most populous city in Montgomery County, Maryland.

Population67,741
Coordinates39.1434400, -77.2013700
Altitude153
CountryUnited States
Photo coming soon

#2 Green Valley

Town in Frederick County, Maryland, United States

Population12,262
Coordinates39.3092700, -77.2972100
Altitude121
CountryUnited States
Start: Gaithersburg (-77.20137, 39.14344)
End: Green Valley (-77.29721, 39.30927)

Estimated Travel Time

Distance: 24 km by road

SpeedTime
30 mph (48.3 km/h)00h 29m
40 mph (64.37 km/h)00h 22m
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 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.53 gal
2 L · about $2.17
Round trip
$4.33
1.06 gal · 4 L
Estimated CO2
4.7 kg one way
Round trip: 9.4 kg / 21 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.17 $4.33
Mid-grade $4.60 $2.44 $4.87
Premium $4.95 $2.63 $5.25
Diesel $5.98 $3.17 $6.34

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

There is no time difference between Gaithersburg and Green Valley. The current time is 03:15:36.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.