How far is Rockville, MD from Marlow Heights, MD?
The driving distance from Rockville, MD to Marlow Heights, MD is about 25.7 miles (41.4 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 20.4 miles (32.8 km).
- For a round trip, plan for roughly 01h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Unincorporated area 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 Rockville and Marlow Heights.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and Marlow Heights.
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1
Start on South Washington Street
19 m · 9 sec · South Washington Street
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2
Turn left onto West Montgomery Avenue
1144 ft · 34 sec · West Montgomery Avenue
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3
Continue on Great Falls Road
1 km · 2 min · Great Falls Road
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4
Turn right onto Falls Road
132 m · 17 sec · Falls Road
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5
Continue on Falls Road
144 m · 18 sec · Falls Road
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6
Take the ramp slight left toward I 270 South
1769 ft · 51 sec
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7
Merge slight left
2.6 mi · 3 min
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8
Keep slight right to continue on I 270 Spur: Washington, Northern Virginia
2 mi · 3 min
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9
Merge slight right onto Capital Beltway
1.4 mi · 2 min · Capital Beltway
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10
Keep slight right to continue on Cabin John Parkway
1.7 mi · 2 min · Cabin John Parkway
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11
Continue on Clara Barton Parkway
3.3 mi · 7 min · Clara Barton Parkway
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12
Continue on Canal Road Northwest
3.1 mi · 6 min · Canal Road Northwest
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13
Keep slight right to continue on Whitehurst Freeway
1.1 km · 2 min · Whitehurst Freeway
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14
Keep slight right to continue on I 66 West: E Street
2376 ft · 36 sec
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15
Take the exit slight right toward E Street
120 m · 10 sec
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16
Keep slight left to continue on E Street
1371 ft · 34 sec
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17
Continue on E Street Expressway
1773 ft · 24 sec · E Street Expressway
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18
Continue on E Street Northwest
1554 ft · 34 sec · E Street Northwest
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19
At the end of the road, turn right onto 17th Street Northwest
1203 ft · 22 sec · 17th Street Northwest
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20
Continue on 17th Street Southwest
1609 ft · 40 sec · 17th Street Southwest
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21
Turn straight onto Independence Avenue Southwest
89 m · 10 sec · Independence Avenue Southwest
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22
Continue on Independence Avenue Southwest
1480 ft · 45 sec · Independence Avenue Southwest
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23
Keep slight right to continue on Maine Avenue Southwest
1471 ft · 28 sec · Maine Avenue Southwest
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24
Keep slight left to continue on Maine Avenue Southwest
768 ft · 30 sec · Maine Avenue Southwest
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25
Take the ramp straight toward I 395 North
2465 ft · 52 sec
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26
Merge slight right onto Southwest Freeway
1105 ft · 24 sec · Southwest Freeway
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27
Keep slight left to continue on Southeast Freeway
1.2 mi · 2 min · Southeast Freeway
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28
Take the exit slight right toward 11th Street Southeast, Southeast Boulevard
1872 ft · 43 sec
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29
Turn right onto 11th Street Southeast
1607 ft · 46 sec · 11th Street Southeast
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30
Continue on Martin Luther King Junior Avenue Southeast
2387 ft · 60 sec · Martin Luther King Junior Avenue Southeast
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31
Turn left onto Marion Barry Avenue Southeast
1.2 mi · 3 min · Marion Barry Avenue Southeast
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32
Turn right onto Naylor Road Southeast
1.1 km · 2 min · Naylor Road Southeast
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33
At the end of the road, turn left onto Southern Avenue Southeast
62 m · 7 sec · Southern Avenue Southeast
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34
Continue on Naylor Road
1522 ft · 53 sec · Naylor Road
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35
Enter the roundabout and take exit 2 toward Naylor Road
32 m · 2 sec · Naylor Road
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36
Exit the roundabout onto Naylor Road
118 m · 11 sec · Naylor Road
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37
Enter the roundabout and take exit 2 toward Naylor Road
34 m · 3 sec · Naylor Road
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38
Exit the roundabout onto Naylor Road
1001 ft · 30 sec · Naylor Road
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39
Merge slight left onto Branch Avenue
1654 ft · 48 sec · Branch Avenue
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40
Keep slight right to continue on Branch Avenue
1788 ft · 38 sec · Branch Avenue
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41
Turn right onto Iverson Street
2012 ft · 52 sec · Iverson Street
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42
Turn left onto 26th Avenue
545 ft · 17 sec · 26th Avenue
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43
Continue on Lyons Street
854 ft · 28 sec · Lyons Street
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44
Continue on Lyons Street
34 m · 10 sec · Lyons Street
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45
Arrive at your destination
0 m · 1 sec · Lyons Street
Car Route Details
A richer read on the saved driving route between Rockville and Marlow Heights.
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.
Clara Barton Parkway
Continue on Clara Barton Parkway
3.32 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers leaving Rockville and Rain Showers near Marlow Heights.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockville to Marlow Heights?
The road trip is about 25.7 miles (41.4 km) and usually takes 00h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Brookmont is a useful midpoint, sitting about 12.9 miles from Rockville and 12.9 miles from Marlow Heights.
How much longer is the road route than the straight-line distance?
The direct path is about 20.4 miles (32.8 km), while the road route adds roughly 5.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.72 one way or $7.44 round trip. Estimated CO2 is about 8.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Rockville and Rain Showers near Marlow Heights.
Stop Ideas Near Brookmont
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brookmont.
Washington Union Station
Rockville station
Union Station
New Carrollton station
Flight Path Map
This map shows the direct air route between Rockville and Marlow Heights. Straight-line distance: 20.41 mi (32.84 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 Marlow Heights
Census-designated place in Prince George's County, Maryland, United States
| Population | 5,618 |
| Coordinates | 38.8334500, -76.9516400 |
| Altitude | 79 |
| Country | United States |
End: Marlow Heights (-76.95164, 38.83345)
Estimated Travel Time
Distance: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.72 | $7.44 |
| Mid-grade | $4.60 | $4.19 | $8.37 |
| Premium | $4.95 | $4.51 | $9.02 |
| Diesel | $5.98 | $5.44 | $10.88 |
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.