How far is Gaithersburg, MD from Londontowne, MD?
The driving distance from Gaithersburg, MD to Londontowne, MD is about 48 miles (77.2 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 37.9 miles (61 km).
- For a round trip, plan for roughly 02h 17m 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 01h 08m.
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 Prince George's County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gaithersburg and Londontowne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gaithersburg and Londontowne.
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1
Start on the route
26 m · 12 sec
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2
Turn left onto North Frederick Avenue
77 m · 12 sec · North Frederick Avenue
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3
Turn left onto Chestnut Street
1664 ft · 50 sec · Chestnut Street
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4
Turn right onto West Diamond Avenue
2663 ft · 1 min · West Diamond Avenue
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5
Take the ramp left toward I 270 South: Washington
1531 ft · 39 sec
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6
Merge slight left onto Eisenhower Memorial Highway
1.4 mi · 2 min · Eisenhower Memorial Highway
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7
Keep slight left
6.6 mi · 9 min
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8
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
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9
Merge slight right onto Capital Beltway
16.3 mi · 21 min · Capital Beltway
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10
Take the exit slight right toward US 50 East: Annapolis
1 mi · 2 min
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11
Merge slight left onto John Hanson Highway
10.4 mi · 12 min · John Hanson Highway
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12
Take the exit slight right toward MD 424: Davidsonville, Crofton
2824 ft · 1 min
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13
Keep slight right to continue on MD 424 South: Davidsonville Road, Davidsonville
1273 ft · 31 sec
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14
Turn straight onto Davidsonville Road
3 mi · 6 min · Davidsonville Road
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15
Turn left onto Central Avenue
3.6 mi · 6 min · Central Avenue
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16
Turn left onto Stepneys Lane
2549 ft · 1 min · Stepneys Lane
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17
Continue on Londontown Road
2364 ft · 1 min · Londontown Road
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18
Turn right onto Tacoma Road
72 m · 10 sec · Tacoma Road
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19
Arrive at your destination
0 m · 1 sec · Tacoma Road
Car Route Details
A richer read on the saved driving route between Gaithersburg and Londontowne.
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.
Capital Beltway
Merge slight right onto Capital Beltway
16.3 mi · 00h 21m
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.
Partly Sunny leaving Gaithersburg and Mostly Sunny near Londontowne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gaithersburg to Londontowne?
The road trip is about 48 miles (77.2 km) and usually takes 01h 08m 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?
Berwyn Heights is a useful midpoint, sitting about 23.9 miles from Gaithersburg and 24 miles from Londontowne.
How much longer is the road route than the straight-line distance?
The direct path is about 37.9 miles (61 km), while the road route adds roughly 10.1 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 4:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.91 one way or $13.81 round trip. Estimated CO2 is about 15 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Gaithersburg and Mostly Sunny near Londontowne.
Stop Ideas Near Berwyn Heights
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 Berwyn Heights.
New Carrollton station
Washington Union Station
Rockville station
Union Station
Flight Path Map
This map shows the direct air route between Gaithersburg and Londontowne. Straight-line distance: 37.88 mi (60.96 km).
#1 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
#2 Londontowne
Unincorporated area in Anne Arundel County, Maryland, United States
| Population | 8,018 |
| Coordinates | 38.9334500, -76.5494100 |
| Altitude | 6 |
| Country | United States |
End: Londontowne (-76.54941, 38.93345)
Estimated Travel Time
Distance: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.91 | $13.81 |
| Mid-grade | $4.60 | $7.77 | $15.54 |
| Premium | $4.95 | $8.37 | $16.74 |
| Diesel | $5.98 | $10.11 | $20.21 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.