How far is Darnestown, MD from Fort Washington, MD?
The driving distance from Darnestown, MD to Fort Washington, MD is about 46.9 miles (75.5 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 30.9 miles (49.8 km).
- For a round trip, plan for roughly 02h 05m 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 02m.
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 Darnestown and Fort Washington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Darnestown and Fort Washington.
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1
Start on the route
46 m · 17 sec
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2
Turn left onto Seneca Road
1.3 mi · 2 min · Seneca Road
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3
Turn left onto Esworthy Road
2.2 mi · 4 min · Esworthy Road
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4
Turn left onto River Road
8.4 mi · 15 min · River Road
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5
Take the ramp slight right toward I 495 South: Northern Virginia
1831 ft · 44 sec
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6
Merge slight left onto Cabin John Parkway
77 m · 3 sec · Cabin John Parkway
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7
Take the exit slight right toward I 495 South: Northern Virginia, Fairfax
1185 ft · 29 sec
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8
Merge slight left onto Capital Beltway
2.2 mi · 3 min · Capital Beltway
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9
Keep slight right to continue on Capital Beltway
18.5 mi · 23 min · Capital Beltway
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10
Keep slight right to continue on Capital Beltway (Local)
4.3 mi · 6 min · Capital Beltway (Local)
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11
Take the exit slight right toward MD 210 South: Indian Head
783 ft · 19 sec
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12
Continue on MD 210 South: Indian Head
1.1 mi · 2 min
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13
Keep slight left to continue on MD 210 South
1391 ft · 34 sec
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14
Merge slight left onto Indian Head Highway
5.7 mi · 9 min · Indian Head Highway
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15
Turn right onto Old Fort Road
1.4 mi · 3 min · Old Fort Road
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16
Turn left onto Washington Drive
1057 ft · 47 sec · Washington Drive
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17
Continue on Diggers Lane
1011 ft · 49 sec · Diggers Lane
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18
At the end of the road, turn left onto Reid Lane
96 m · 17 sec · Reid Lane
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19
Turn right onto Warburton Drive
748 ft · 33 sec · Warburton Drive
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20
Arrive at your destination
0 m · 1 sec · Warburton Drive
Car Route Details
A richer read on the saved driving route between Darnestown and Fort Washington.
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
Keep slight right to continue on Capital Beltway
18.5 mi · 00h 23m
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 Darnestown and Rain Showers near Fort Washington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Darnestown to Fort Washington?
The road trip is about 46.9 miles (75.5 km) and usually takes 01h 02m 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 23.4 miles from Darnestown and 23.5 miles from Fort Washington.
How much longer is the road route than the straight-line distance?
The direct path is about 30.9 miles (49.8 km), while the road route adds roughly 16 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 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.74 one way or $13.48 round trip. Estimated CO2 is about 14.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Darnestown and Rain Showers near Fort Washington.
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
District of Columbia Court
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 Darnestown and Fort Washington. Straight-line distance: 30.93 mi (49.77 km).
#1 Darnestown
Census-designated place in Montgomery County, Maryland, United States
| Population | 6,802 |
| Coordinates | 39.1034400, -77.2908200 |
| Altitude | 133 |
| Country | United States |
#2 Fort Washington
Unincorporated community in Prince George's County, Maryland, United States
| Population | 24,183 |
| Coordinates | 38.7073400, -77.0230300 |
| Altitude | 32 |
| Country | United States |
End: Warburton Drive (-77.022819, 38.707437)
Estimated Travel Time
Distance: 75 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 33m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 40m |
| 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 | $6.74 | $13.48 |
| Mid-grade | $4.60 | $7.59 | $15.18 |
| Premium | $4.95 | $8.17 | $16.35 |
| Diesel | $5.98 | $9.87 | $19.73 |
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 · 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.