How far is Gaithersburg, MD from Marlow Heights, MD?

The driving distance from Gaithersburg, MD to Marlow Heights, MD is about 30.9 miles (49.8 km), with a travel time of about 00h 55m by car.

  • The straight-line flight distance is about 25.3 miles (40.7 km).
  • For a round trip, plan for roughly 01h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
30.93 mi
00h 55m
Flight
25.27 mi
40.67 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Gaithersburg.

Flight Distance

Direct air line
25.27 mi
Kilometers
40.67 km
Flight Time
00h 03m

Driving Distance

Road route
30.93 mi
Kilometers
49.77 km
Drive Time
00h 55m

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 55m.

Arrival Snapshot
Arrive in Marlow Heights
Sun, Apr 19, 5:36 PM EDT
Return by in Gaithersburg
Sun, Apr 19, 6:32 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gaithersburg
2026-04-19T16:40
Arrive Marlow Heights
Sun, Apr 19, 5:36 PM EDT
Route Timing
00h 55m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:56 AM to 10:56 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Gaithersburg
9:30 PM EDT
Morning start is best

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
Glen Echo
MD

Town in Maryland, United States

From Gaithersburg
15.5 mi
00h 27m
To Marlow Heights
15.5 mi
00h 27m

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
63°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
13 to 18 mph NW

Driving Route Map

The map below follows the saved road route between Gaithersburg and Marlow Heights.

Turn-by-Turn Driving Directions

Step-by-step road directions between Gaithersburg and Marlow Heights.

  1. 1

    Start on the route

    26 m · 12 sec

  2. 2

    Turn left onto North Frederick Avenue

    77 m · 12 sec · North Frederick Avenue

  3. 3

    Turn left onto Chestnut Street

    1664 ft · 50 sec · Chestnut Street

  4. 4

    Turn right onto West Diamond Avenue

    2663 ft · 1 min · West Diamond Avenue

  5. 5

    Take the ramp left toward I 270 South: Washington

    1531 ft · 39 sec

  6. 6

    Merge slight left onto Eisenhower Memorial Highway

    1.4 mi · 2 min · Eisenhower Memorial Highway

  7. 7

    Keep slight left

    6.6 mi · 9 min

  8. 8

    Keep slight right to continue on I 270 Spur: Washington, Northern Virginia

    2 mi · 3 min

  9. 9

    Merge slight right onto Capital Beltway

    1.4 mi · 2 min · Capital Beltway

  10. 10

    Keep slight right to continue on Cabin John Parkway

    1.7 mi · 2 min · Cabin John Parkway

  11. 11

    Continue on Clara Barton Parkway

    3.3 mi · 7 min · Clara Barton Parkway

  12. 12

    Continue on Canal Road Northwest

    3.1 mi · 6 min · Canal Road Northwest

  13. 13

    Keep slight right to continue on Whitehurst Freeway

    1.1 km · 2 min · Whitehurst Freeway

  14. 14

    Keep slight right to continue on I 66 West: E Street

    2376 ft · 36 sec

  15. 15

    Take the exit slight right toward E Street

    120 m · 10 sec

  16. 16

    Keep slight left to continue on E Street

    1371 ft · 34 sec

  17. 17

    Continue on E Street Expressway

    1773 ft · 24 sec · E Street Expressway

  18. 18

    Continue on E Street Northwest

    1554 ft · 34 sec · E Street Northwest

  19. 19

    At the end of the road, turn right onto 17th Street Northwest

    1203 ft · 22 sec · 17th Street Northwest

  20. 20

    Continue on 17th Street Southwest

    1609 ft · 40 sec · 17th Street Southwest

  21. 21

    Turn straight onto Independence Avenue Southwest

    89 m · 10 sec · Independence Avenue Southwest

  22. 22

    Continue on Independence Avenue Southwest

    1480 ft · 45 sec · Independence Avenue Southwest

  23. 23

    Keep slight right to continue on Maine Avenue Southwest

    1471 ft · 28 sec · Maine Avenue Southwest

  24. 24

    Keep slight left to continue on Maine Avenue Southwest

    768 ft · 30 sec · Maine Avenue Southwest

  25. 25

    Take the ramp straight toward I 395 North

    2465 ft · 52 sec

  26. 26

    Merge slight right onto Southwest Freeway

    1105 ft · 24 sec · Southwest Freeway

  27. 27

    Keep slight left to continue on Southeast Freeway

    1.2 mi · 2 min · Southeast Freeway

  28. 28

    Take the exit slight right toward 11th Street Southeast, Southeast Boulevard

    1872 ft · 43 sec

  29. 29

    Turn right onto 11th Street Southeast

    1607 ft · 46 sec · 11th Street Southeast

  30. 30

    Continue on Martin Luther King Junior Avenue Southeast

    2387 ft · 60 sec · Martin Luther King Junior Avenue Southeast

  31. 31

    Turn left onto Marion Barry Avenue Southeast

    1.2 mi · 3 min · Marion Barry Avenue Southeast

  32. 32

    Turn right onto Naylor Road Southeast

    1.1 km · 2 min · Naylor Road Southeast

  33. 33

    At the end of the road, turn left onto Southern Avenue Southeast

    62 m · 7 sec · Southern Avenue Southeast

  34. 34

    Continue on Naylor Road

    1522 ft · 53 sec · Naylor Road

  35. 35

    Enter the roundabout and take exit 2 toward Naylor Road

    32 m · 2 sec · Naylor Road

  36. 36

    Exit the roundabout onto Naylor Road

    118 m · 11 sec · Naylor Road

  37. 37

    Enter the roundabout and take exit 2 toward Naylor Road

    34 m · 3 sec · Naylor Road

  38. 38

    Exit the roundabout onto Naylor Road

    1001 ft · 30 sec · Naylor Road

  39. 39

    Merge slight left onto Branch Avenue

    1654 ft · 48 sec · Branch Avenue

  40. 40

    Keep slight right to continue on Branch Avenue

    1788 ft · 38 sec · Branch Avenue

  41. 41

    Turn right onto Iverson Street

    2012 ft · 52 sec · Iverson Street

  42. 42

    Turn left onto 26th Avenue

    545 ft · 17 sec · 26th Avenue

  43. 43

    Continue on Lyons Street

    854 ft · 28 sec · Lyons Street

  44. 44

    Continue on Lyons Street

    34 m · 10 sec · Lyons Street

  45. 45

    Arrive at your destination

    0 m · 1 sec · Lyons Street

Car Route Details

A richer read on the saved driving route between Gaithersburg and Marlow Heights.

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
45 steps
15 turns on the saved route
Ramps & Exits
12
4 merges, 8 ramps or exits
Navigation Density
145.6 / 100 mi
Decision points by distance
Main Roads
Eisenhower Memorial Highway
7.96 mi · 26%
Clara Barton Parkway
3.32 mi · 11%
Canal Road Northwest
3.09 mi · 10%
I 270 Spur
2.01 mi · 7%
Cabin John Parkway
1.73 mi · 6%
Capital Beltway
1.39 mi · 4%
Longest Stretch

Eisenhower Memorial Highway

Keep slight left

6.61 mi · 00h 09m

Route Summary

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

Trip Read

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.

Drive Time
00h 55m
Day trip friendly
Same-Day Return
01h 52m
Round-trip wheel time
Road vs Air
+5.6 mi
25.3 mi direct line
Halfway Stop
Glen Echo
00h 27m from Gaithersburg
Leave By
4:38 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Gaithersburg 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 Gaithersburg to Marlow Heights?

The road trip is about 30.9 miles (49.8 km) and usually takes 00h 55m 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?

Glen Echo is a useful midpoint, sitting about 15.5 miles from Gaithersburg and 15.5 miles from Marlow Heights.

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

The direct path is about 25.3 miles (40.7 km), while the road route adds roughly 5.6 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 4:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.45 one way or $8.91 round trip. Estimated CO2 is about 9.7 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Gaithersburg and Rain Showers near Marlow Heights.

Stop Ideas Near Glen Echo

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 Glen Echo and the surrounding midpoint area.
United States Capitol
Scenic stop 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 7.4 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 11.5 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 10.8 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 Glen Echo.

RAIL

Rockville station

13 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

14 mi away
50 Massachusetts Ave NE
RAIL

Union Station

19 mi away
110 Callahan Drive
RAIL

Burke Centre

23 mi away
10399 Premier Court

Flight Path Map

This map shows the direct air route between Gaithersburg and Marlow Heights. Straight-line distance: 25.27 mi (40.67 km).

Gaithersburg

#1 Gaithersburg

The second most populous city in Montgomery County, Maryland.

Population67,741
Coordinates39.1434400, -77.2013700
Altitude153
CountryUnited States
Marlow Heights

#2 Marlow Heights

Census-designated place in Prince George's County, Maryland, United States

Population5,618
Coordinates38.8334500, -76.9516400
Altitude79
CountryUnited States
Start: Gaithersburg (-77.20137, 39.14344)
End: Marlow Heights (-76.95164, 38.83345)

Estimated Travel Time

Distance: 50 km by road

SpeedTime
30 mph (48.3 km/h)01h 01m
40 mph (64.37 km/h)00h 46m
50 mph (80.47 km/h)00h 37m
60 mph (96.56 km/h)00h 30m
70 mph (112.65 km/h)00h 26m
80 mph (129 km/h)00h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.09 gal
4.13 L · about $4.45
Round trip
$8.91
2.18 gal · 8.26 L
Estimated CO2
9.7 kg one way
Round trip: 19.4 kg / 43 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.45 $8.91
Mid-grade $4.60 $5.01 $10.03
Premium $4.95 $5.40 $10.80
Diesel $5.98 $6.52 $13.04

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 Marlow Heights. The current time is 16:40:38.

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.