How far is Bethesda, MD from Darnestown, MD?

The driving distance from Bethesda, MD to Darnestown, MD is about 15.8 miles (25.5 km), with a travel time of about 00h 30m by car.

  • The straight-line flight distance is about 13.3 miles (21.4 km).
  • For a round trip, plan for roughly 01h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
15.86 mi
00h 30m
Flight
13.28 mi
21.38 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Bethesda.

Flight Distance

Direct air line
13.28 mi
Kilometers
21.38 km
Flight Time
00h 01m

Driving Distance

Road route
15.86 mi
Kilometers
25.53 km
Drive Time
00h 30m

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 30m.

Arrival Snapshot
Arrive in Darnestown
Sun, Apr 19, 6:08 AM EDT
Return by in Bethesda
Sun, Apr 19, 6:39 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bethesda
2026-04-19T05:37
Arrive Darnestown
Sun, Apr 19, 6:08 AM EDT
Route Timing
00h 30m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:31 AM to 7:31 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:28 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Bethesda
10:00 PM EDT
Flexible departure

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
Potomac
MD

Census-designated place in Montgomery County, Maryland, United States

From Bethesda
8 mi
00h 15m
To Darnestown
8 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
9 to 13 mph W
Destination
61°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
13 to 17 mph NW

Driving Route Map

The map below follows the saved road route between Bethesda and Darnestown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bethesda and Darnestown.

  1. 1

    Start on the route

    14 m · 9 sec

  2. 2

    Turn left onto Bethesda Avenue

    48 m · 10 sec · Bethesda Avenue

  3. 3

    Turn left onto Clarendon Road

    701 ft · 31 sec · Clarendon Road

  4. 4

    Continue on Fairfax Road

    140 m · 23 sec · Fairfax Road

  5. 5

    Turn right onto Bradley Boulevard

    1667 ft · 49 sec · Bradley Boulevard

  6. 6

    Turn left onto Goldsboro Road

    1.4 km · 2 min · Goldsboro Road

  7. 7

    Turn right onto River Road

    10.9 mi · 20 min · River Road

  8. 8

    Turn right onto Esworthy Road

    2.2 mi · 4 min · Esworthy Road

  9. 9

    Turn straight onto Seneca Road

    1.2 mi · 2 min · Seneca Road

  10. 10

    Turn straight

    35 m · 11 sec

  11. 11

    Turn right

    46 m · 11 sec

  12. 12

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Bethesda and Darnestown.

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
12 steps
9 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
75.5 / 100 mi
Decision points by distance
Main Roads
River Road
10.9 mi · 69%
Esworthy Road
2.2 mi · 14%
Seneca Road
1.23 mi · 8%
Goldsboro Road
0.88 mi · 6%
Bradley Boulevard
0.32 mi · 2%
Clarendon Road
0.13 mi · 1%
Longest Stretch

River Road

Turn right onto River Road

10.9 mi · 00h 21m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 30m
Quick drive
Same-Day Return
01h 02m
Round-trip wheel time
Road vs Air
+2.5 mi
13.3 mi direct line
Halfway Stop
Potomac
00h 15m from Bethesda
Leave By
7:28 PM EDT
Flexible departure
Weather Watch

Rain Showers Likely leaving Bethesda and Rain Showers near Darnestown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bethesda to Darnestown?

The road trip is about 15.8 miles (25.5 km) and usually takes 00h 30m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Potomac is a useful midpoint, sitting about 8 miles from Bethesda and 8 miles from Darnestown.

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

The direct path is about 13.3 miles (21.4 km), while the road route adds roughly 2.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.29 one way or $4.58 round trip. Estimated CO2 is about 5 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Bethesda and Rain Showers near Darnestown.

Stop Ideas Near Potomac

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 Potomac and the surrounding midpoint area.
United States Capitol
Scenic stop 14.7 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 14 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
The John Wilson Building
Meeting point 13.6 mi away

The John Wilson Building

Washington , DC
1350 Pennsylvania Avenue NW, Washington, DC 20004
Rating 4.6/5 21 reviews City government office
District of Columbia Court
Nearby stop 14.1 mi away

District of Columbia Court

Washington , DC
430 E St NW #115, Washington, DC 20001
Rating 4.5/5 10 reviews City courthouse,Federal courthouse

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Potomac.

RAIL

Rockville station

9 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

22 mi away
50 Massachusetts Ave NE
RAIL

Burke Centre

26 mi away
10399 Premier Court
RAIL

Union Station

27 mi away
110 Callahan Drive

Flight Path Map

This map shows the direct air route between Bethesda and Darnestown. Straight-line distance: 13.28 mi (21.38 km).

Bethesda

#1 Bethesda

A census-designated place (CDP) in Montgomery County, Maryland.

Population62,448
Coordinates38.9806700, -77.1002600
Altitude97
CountryUnited States
Darnestown

#2 Darnestown

Census-designated place in Montgomery County, Maryland, United States

Population6,802
Coordinates39.1034400, -77.2908200
Altitude133
CountryUnited States
Start: Bethesda (-77.10026, 38.98067)
End: Darnestown (-77.29082, 39.10344)

Estimated Travel Time

Distance: 26 km by road

SpeedTime
30 mph (48.3 km/h)00h 31m
40 mph (64.37 km/h)00h 23m
50 mph (80.47 km/h)00h 19m
60 mph (96.56 km/h)00h 15m
70 mph (112.65 km/h)00h 13m
80 mph (129 km/h)00h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.56 gal
2.12 L · about $2.29
Round trip
$4.58
1.12 gal · 4.24 L
Estimated CO2
5 kg one way
Round trip: 10 kg / 22 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.29 $4.58
Mid-grade $4.60 $2.58 $5.15
Premium $4.95 $2.77 $5.55
Diesel $5.98 $3.35 $6.70

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 Bethesda and Darnestown. The current time is 05:37:45.

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.