How far is Glassmanor, MD from Gaithersburg, MD?
The driving distance from Glassmanor, MD to Gaithersburg, MD is about 41.1 miles (66.2 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 24.9 miles (40.1 km).
- For a round trip, plan for roughly 01h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 50m.
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.
Town in Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Glassmanor and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glassmanor and Gaithersburg.
-
1
Start on Audrey Lane
20 m · 7 sec · Audrey Lane
-
2
Continue on Audrey Lane
126 m · 21 sec · Audrey Lane
-
3
Turn right onto Indian Head Highway
1001 ft · 30 sec · Indian Head Highway
-
4
Continue on South Capitol Street
1.2 mi · 3 min · South Capitol Street
-
5
Turn slight right onto I 295 North: Malcolm X Avenue, Dorothea Dix Avenue, DHS
639 ft · 18 sec
-
6
Keep slight left to continue on I 295 North
870 ft · 25 sec
-
7
Merge slight left onto Anacostia Freeway
2.2 mi · 3 min · Anacostia Freeway
-
8
Keep slight left to continue on Southeast Freeway
2.3 mi · 4 min · Southeast Freeway
-
9
Continue on Southwest Freeway
1540 ft · 33 sec · Southwest Freeway
-
10
Take the exit slight right toward Maine Avenue Southwest, 12th Street Northwest, Downtown
1102 ft · 27 sec
-
11
Keep slight right to continue on 12th Street Northwest, Downtown
1010 ft · 25 sec
-
12
Keep slight left to continue on D Street
156 m · 16 sec
-
13
Turn right onto 12th Street Southwest
945 ft · 31 sec · 12th Street Southwest
-
14
Turn left onto Independence Avenue Southwest
3105 ft · 1 min · Independence Avenue Southwest
-
15
Keep slight right to continue on 17th Street Southwest
1602 ft · 41 sec · 17th Street Southwest
-
16
Continue on 17th Street Northwest
1570 ft · 36 sec · 17th Street Northwest
-
17
Turn left onto New York Avenue Northwest
666 ft · 13 sec · New York Avenue Northwest
-
18
Continue on E Street Northwest
916 ft · 19 sec · E Street Northwest
-
19
Continue on E Street Expressway
1706 ft · 21 sec · E Street Expressway
-
20
Keep slight right to continue on Whitehurst Freeway
1010 ft · 25 sec
-
21
Merge slight left onto Potomac Freeway
1281 ft · 27 sec · Potomac Freeway
-
22
Keep slight left to continue on Rock Creek Parkway
531 ft · 13 sec
-
23
Keep slight right
51 m · 4 sec
-
24
Merge slight left onto 27th Street Northwest
54 m · 4 sec · 27th Street Northwest
-
25
Take the exit slight left
30 m · 9 sec
-
26
Merge slight right onto Whitehurst Freeway
1.3 km · 2 min · Whitehurst Freeway
-
27
Turn left onto Canal Road Northwest
3.1 mi · 6 min · Canal Road Northwest
-
28
Continue on Clara Barton Parkway Northwest
3.4 mi · 7 min · Clara Barton Parkway Northwest
-
29
Keep slight right to continue on Cabin John Parkway
1.3 mi · 2 min · Cabin John Parkway
-
30
Keep slight left to continue on Cabin John Parkway
1212 ft · 19 sec · Cabin John Parkway
-
31
Merge slight left onto Capital Beltway
1.3 mi · 2 min · Capital Beltway
-
32
Keep slight left to continue on I 270: Rockville, Frederick
3.1 mi · 4 min
-
33
Keep slight right to continue on I 270 North
7.3 mi · 10 min
-
34
Take the exit slight right toward MD 117, MD 124 South: Clopper Road, West Diamond Avenue, Quince Orchard Road
1387 ft · 42 sec
-
35
Turn left onto West Diamond Avenue
2537 ft · 51 sec · West Diamond Avenue
-
36
Turn left onto Meem Avenue
616 ft · 29 sec · Meem Avenue
-
37
Turn right onto Chestnut Street
1033 ft · 35 sec · Chestnut Street
-
38
Turn right onto North Frederick Avenue
77 m · 7 sec · North Frederick Avenue
-
39
Turn right
26 m · 6 sec
-
40
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Glassmanor and Gaithersburg.
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.
I 270 North
Keep slight right to continue on I 270 North
7.32 mi · 00h 10m
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.
Scattered Rain Showers leaving Glassmanor and Mostly Sunny near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Glassmanor to Gaithersburg?
The road trip is about 41.1 miles (66.2 km) and usually takes 00h 50m 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 15.7 miles from Glassmanor and 25.5 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 24.9 miles (40.1 km), while the road route adds roughly 16.2 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 EST. If you want a more comfortable same-day return, try to leave by 4:50 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.73 one way or $11.47 round trip. Estimated CO2 is about 12.9 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Rain Showers around Glassmanor and Mostly Sunny near Gaithersburg.
Stop Ideas Near Glen Echo
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 Glen Echo.
Rockville station
Washington Union Station
Union Station
Burke Centre
Flight Path Map
This map shows the direct air route between Glassmanor and Gaithersburg. Straight-line distance: 24.92 mi (40.11 km).
#1 Glassmanor
Glassmanor is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.8190000, -76.9985900 |
| Altitude | 19 |
| Country | United States |
#2 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $5.73 | $11.47 |
| Mid-grade | $4.57 | $6.63 | $13.26 |
| Premium | $4.89 | $7.09 | $14.19 |
| Diesel | $6.30 | $9.14 | $18.28 |
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 · Nov 06, 2026