How far is Rockville, MD from Greenbelt, MD?

The driving distance from Rockville, MD to Greenbelt, MD is about 20.6 miles (33.2 km), with a travel time of about 00h 26m by car.

  • The straight-line flight distance is about 15.8 miles (25.5 km).
  • For a round trip, plan for roughly 00h 52m 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
20.62 mi
00h 26m
Flight
15.86 mi
25.52 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Rockville.

Flight Distance

Direct air line
15.86 mi
Kilometers
25.52 km
Flight Time
00h 01m

Driving Distance

Road route
20.62 mi
Kilometers
33.18 km
Drive Time
00h 26m

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 26m.

Arrival Snapshot
Arrive in Greenbelt
Sun, May 31, 7:02 AM EDT
Return by in Rockville
Sun, May 31, 7:29 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rockville
2026-05-31T06:36
Arrive Greenbelt
Sun, May 31, 7:02 AM EDT
Route Timing
00h 26m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:26 AM to 7:26 PM EDT

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

Leave by
7:38 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Rockville
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
Forest Glen
MD

Unincorporated area in Montgomery County, Maryland, United States

From Rockville
10.3 mi
00h 13m
To Greenbelt
10.3 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Sunday

Sunny

Starts
Sun, May 31 6:00 AM EDT
Wind
5 mph NW
Destination
76°F
Sunday

Sunny

Starts
Sun, May 31 6:00 AM EDT
Wind
3 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Washington Street

    19 m · 9 sec · South Washington Street

  2. 2

    Turn left onto West Montgomery Avenue

    1144 ft · 34 sec · West Montgomery Avenue

  3. 3

    Continue on Great Falls Road

    1 km · 2 min · Great Falls Road

  4. 4

    Turn right onto Falls Road

    132 m · 17 sec · Falls Road

  5. 5

    Continue on Falls Road

    144 m · 18 sec · Falls Road

  6. 6

    Take the ramp slight left toward I 270 South

    1769 ft · 51 sec

  7. 7

    Merge slight left

    2.6 mi · 3 min

  8. 8

    Keep slight left to continue on I 270 South: Silver Spring, College Park

    2.8 mi · 4 min

  9. 9

    Merge slight right onto Capital Beltway

    12.2 mi · 15 min · Capital Beltway

  10. 10

    Take the exit slight right toward MD 201: Greenbelt, Bladensburg

    1921 ft · 47 sec

  11. 11

    Keep slight left to continue on MD 201 North: Kenilworth Avenue, Greenbelt

    89 m · 11 sec

  12. 12

    Turn straight onto Kenilworth Avenue

    1912 ft · 39 sec · Kenilworth Avenue

  13. 13

    Turn right onto Crescent Road

    1.6 km · 2 min · Crescent Road

  14. 14

    Arrive at your destination

    0 m · 1 sec · Crescent Road

Car Route Details

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

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
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
68 / 100 mi
Decision points by distance
Main Roads
Capital Beltway
12.2 mi · 59%
I 270 South
5.65 mi · 27%
Crescent Road
0.98 mi · 5%
Great Falls Road
0.65 mi · 3%
MD 201
0.36 mi · 2%
Kenilworth Avenue
0.36 mi · 2%
Longest Stretch

Capital Beltway

Merge slight right onto Capital Beltway

12.2 mi · 00h 15m

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 26m
Quick drive
Same-Day Return
00h 52m
Round-trip wheel time
Road vs Air
+4.8 mi
15.8 mi direct line
Halfway Stop
Forest Glen
00h 13m from Rockville
Leave By
7:38 PM EDT
Flexible departure
Weather Watch

Sunny leaving Rockville and Sunny near Greenbelt.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 20.6 miles (33.2 km) and usually takes 00h 26m 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?

Forest Glen is a useful midpoint, sitting about 10.3 miles from Rockville and 10.3 miles from Greenbelt.

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

The direct path is about 15.8 miles (25.5 km), while the road route adds roughly 4.8 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 7:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.98 one way or $5.97 round trip. Estimated CO2 is about 6.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rockville and Sunny near Greenbelt.

Stop Ideas Near Forest Glen

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 Forest Glen and the surrounding midpoint area.
United States Capitol
Scenic stop 8.8 mi away

United States Capitol

Washington , DC
First St SE, Washington, DC 20004, United States
Rating 4.6/5 4,243 reviews Tourist attraction,Historical place,Historical landmark,Landmark,Federal government office
Stop photo coming soon
Practical stop 7.5 mi away

D C Government

Washington , DC
77 P St NE, Washington, DC 20002
Rating 5.0/5 2 reviews City government office,Telephone answering service
THEARC: Town Hall Education Arts Recreation Campus
Meeting point 12.4 mi away

THEARC: Town Hall Education Arts Recreation Campus

Washington , DC
1901 Mississippi Ave SE, Washington, DC 20020
Rating 4.7/5 64 reviews Recreation center,City Hall
Town Hall Liquor And Bar
Nearby stop 6.3 mi away

Town Hall Liquor And Bar

College Park , MD
8135 Baltimore Ave, College Park, MD 20740
Rating 4.3/5 319 reviews Liquor store,Bar

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Forest Glen.

RAIL

Rockville station

11 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

14 mi away
50 Massachusetts Ave NE
RAIL

New Carrollton station

18 mi away
4300 Garden City Drive
RAIL

Union Station

23 mi away
110 Callahan Drive

Flight Path Map

This map shows the direct air route between Rockville and Greenbelt. Straight-line distance: 15.86 mi (25.52 km).

Rockville

#1 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Greenbelt

#2 Greenbelt

City in Prince George's County, Maryland, United States

Population23,229
Coordinates39.0045500, -76.8755300
Altitude48
CountryUnited States
Start: South Washington Street (-77.152887, 39.083997)
End: Crescent Road (-76.875555, 39.004523)

Estimated Travel Time

Distance: 33 km by road

SpeedTime
30 mph (48.3 km/h)00h 41m
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.

One-way fuel
0.73 gal
2.75 L · about $2.98
Round trip
$5.97
1.46 gal · 5.5 L
Estimated CO2
6.5 kg one way
Round trip: 13 kg / 29 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.98 $5.97
Mid-grade $4.60 $3.36 $6.71
Premium $4.95 $3.62 $7.23
Diesel $5.98 $4.37 $8.73

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 31, 2026

There is no time difference between Rockville and Greenbelt. The current time is 06:36:30.

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.