How far is Rockville, MD from Adamstown, MD?

The driving distance from Rockville, MD to Adamstown, MD is about 28.2 miles (45.4 km), with a travel time of about 00h 42m by car.

  • The straight-line flight distance is about 23.3 miles (37.5 km).
  • For a round trip, plan for roughly 01h 25m 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
28.22 mi
00h 42m
Flight
23.3 mi
37.5 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Rockville.

Flight Distance

Direct air line
23.3 mi
Kilometers
37.5 km
Flight Time
00h 02m

Driving Distance

Road route
28.22 mi
Kilometers
45.42 km
Drive Time
00h 42m

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 42m.

Arrival Snapshot
Arrive in Adamstown
Wed, Apr 15, 3:07 PM EDT
Return by in Rockville
Wed, Apr 15, 3:50 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rockville
2026-04-15T14:25
Arrive Adamstown
Wed, Apr 15, 3:07 PM EDT
Route Timing
00h 42m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:43 AM to 7:43 PM EDT

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

Leave by
7:04 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Rockville
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Green Valley
MD

Town in Frederick County, Maryland, United States

From Rockville
14.1 mi
00h 21m
To Adamstown
14.1 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Overnight

Partly Cloudy

Starts
Wed, Apr 15 2:00 AM EDT
Wind
2 mph SW
Destination
90°F
Wednesday

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 15 6:00 AM EDT
Wind
3 to 7 mph SW

Driving Route Map

The map below follows the saved road route between Rockville and Adamstown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockville and Adamstown.

  1. 1

    Start on South Washington Street

    19 m · 9 sec · South Washington Street

  2. 2

    Turn left onto West Montgomery Avenue

    1021 ft · 28 sec · West Montgomery Avenue

  3. 3

    Turn straight onto West Jefferson Street

    89 m · 11 sec · West Jefferson Street

  4. 4

    Continue on West Montgomery Avenue

    1.2 km · 2 min · West Montgomery Avenue

  5. 5

    Take the ramp slight right toward I 270 North: Frederick

    1343 ft · 33 sec

  6. 6

    Merge slight left onto I 270 North

    19.3 mi · 25 min

  7. 7

    Take the exit slight right toward MD 80: Urbana, Buckeystown

    1036 ft · 25 sec

  8. 8

    Turn right onto Fingerboard Road

    861 ft · 16 sec · Fingerboard Road

  9. 9

    Enter the roundabout and take exit 1 toward Fingerboard Road

    33 m · 2 sec · Fingerboard Road

  10. 10

    Exit the roundabout onto Fingerboard Road

    4.9 mi · 9 min · Fingerboard Road

  11. 11

    Turn left onto Buckeystown Pike

    3263 ft · 56 sec · Buckeystown Pike

  12. 12

    Turn right onto Adamstown Road

    1.8 mi · 4 min · Adamstown Road

  13. 13

    At the end of the road, turn left onto Mountville Road

    8 m · 1 sec · Mountville Road

  14. 14

    Arrive at your destination

    0 m · 1 sec · Mountville Road

Car Route Details

A richer read on the saved driving route between Rockville and Adamstown.

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
5
1 merges, 4 ramps or exits
Navigation Density
49.6 / 100 mi
Decision points by distance
Main Roads
I 270 North
19.6 mi · 69%
Fingerboard Road
5.04 mi · 18%
Adamstown Road
1.8 mi · 6%
West Montgomery Avenue
0.93 mi · 3%
Buckeystown Pike
0.62 mi · 2%
MD 80
0.2 mi · 1%
Longest Stretch

I 270 North

Merge slight left onto I 270 North

19.3 mi · 00h 25m

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 42m
Quick drive
Same-Day Return
01h 26m
Round-trip wheel time
Road vs Air
+4.9 mi
23.3 mi direct line
Halfway Stop
Green Valley
00h 21m from Rockville
Leave By
7:04 PM EDT
Flexible departure
Weather Watch

Partly Cloudy leaving Rockville and Mostly Sunny then Slight Chance Rain Showers near Adamstown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rockville to Adamstown?

The road trip is about 28.2 miles (45.4 km) and usually takes 00h 42m 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?

Green Valley is a useful midpoint, sitting about 14.1 miles from Rockville and 14.1 miles from Adamstown.

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

The direct path is about 23.3 miles (37.5 km), while the road route adds roughly 4.9 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 7:04 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.09 one way or $8.17 round trip. Estimated CO2 is about 8.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Rockville and Mostly Sunny then Slight Chance Rain Showers near Adamstown.

Stop Ideas Near Green Valley

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 Green Valley and the surrounding midpoint area.
Griffith Park at City Hall
Scenic stop 9.2 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 9.1 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 13.7 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 Green Valley.

BUS

Frederick Airport, MD

14 mi away
1341 Hughes Ford Road
RAIL

Frederick, MD

15 mi away
100 South East Street
RAIL

Rockville station

28 mi away
251 Hungerford Drive at Park Rd.
RAIL

Harpers Ferry

38 mi away
Potomac St. & Shenandoah St.

Flight Path Map

This map shows the direct air route between Rockville and Adamstown. Straight-line distance: 23.3 mi (37.5 km).

Rockville

#1 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Photo coming soon

#2 Adamstown

Adamstown is a place in Maryland, United States.

Population0
Coordinates39.3109400, -77.4747100
Altitude93
CountryUnited States
Start: Rockville (-77.15276, 39.084)
End: Adamstown (-77.47471, 39.31094)

Estimated Travel Time

Distance: 45 km by road

SpeedTime
30 mph (48.3 km/h)00h 56m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1 gal
3.77 L · about $4.09
Round trip
$8.17
2 gal · 7.54 L
Estimated CO2
8.9 kg one way
Round trip: 17.8 kg / 39 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.09 $8.17
Mid-grade $4.60 $4.60 $9.20
Premium $4.95 $4.95 $9.91
Diesel $5.98 $5.98 $11.96

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 15, 2026

There is no time difference between Rockville and Adamstown. The current time is 14:25:01.

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.