How far is Bethesda, MD from Brentwood, MD?
The driving distance from Bethesda, MD to Brentwood, MD is about 40.8 miles (65.6 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 34.7 miles (55.8 km).
- For a round trip, plan for roughly 01h 55m 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 00h 57m.
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.
Census-designated place in Montgomery County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Bethesda and Brentwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bethesda and Brentwood.
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1
Start on the route
14 m · 5 sec
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2
Turn right onto Bethesda Avenue
156 m · 25 sec · Bethesda Avenue
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3
Turn left onto Arlington Road
1403 ft · 56 sec · Arlington Road
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4
Turn right onto Edgemoor Lane
1451 ft · 51 sec · Edgemoor Lane
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5
Turn left onto Wisconsin Avenue
1 km · 1 min · Wisconsin Avenue
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6
Continue on Rockville Pike
1.6 mi · 4 min · Rockville Pike
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7
Take the ramp slight left toward I 270 North: Frederick
1747 ft · 33 sec
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8
Merge slight left
3.3 mi · 5 min
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9
Keep slight left to continue on I 270 North
7 mi · 10 min
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10
Take the exit slight right toward MD 117, MD 124 North: Clopper Road, West Diamond Avenue, Montgomery Village Avenue, Quince Orchard Road, Watkins Mill Road
1052 ft · 16 sec
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11
Merge slight right
21 mi · 26 min
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12
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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13
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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14
Merge slight right
2867 ft · 38 sec
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15
Take the exit slight right toward US 340 West, US 15 South: Charles Town, Leesburg
1716 ft · 27 sec
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16
Keep slight left to continue on US 15 South, US 340 West: Charles Town, Leesburg
1802 ft · 35 sec
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17
Merge slight left onto Jefferson National Pike
2 mi · 2 min · Jefferson National Pike
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18
Take the exit slight right toward Mount Zion Road
1232 ft · 30 sec
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19
Keep slight right to continue on Mount Zion Road
48 m · 5 sec
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20
Turn straight onto Mount Zion Road
2167 ft · 43 sec · Mount Zion Road
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21
Enter the roundabout and take exit 3 toward Jefferson Pike
66 m · 5 sec · Jefferson Pike
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22
Exit the roundabout onto Jefferson Pike
1.2 km · 1 min · Jefferson Pike
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23
Turn right onto Teen Barnes Road
1697 ft · 49 sec · Teen Barnes Road
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24
Turn right onto Woodhill Way
145 m · 23 sec · Woodhill Way
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25
Turn right onto Woodhirst Drive
786 ft · 35 sec · Woodhirst Drive
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26
Arrive at your destination
0 m · 1 sec · Woodhirst Drive
Car Route Details
A richer read on the saved driving route between Bethesda and Brentwood.
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.
MD 117
Merge slight right
21 mi · 00h 26m
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 Likely leaving Bethesda and Rain Showers near Brentwood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bethesda to Brentwood?
The road trip is about 40.8 miles (65.6 km) and usually takes 00h 57m 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?
Germantown is a useful midpoint, sitting about 20.4 miles from Bethesda and 20.4 miles from Brentwood.
How much longer is the road route than the straight-line distance?
The direct path is about 34.7 miles (55.8 km), while the road route adds roughly 6.1 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 4:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.88 one way or $11.77 round trip. Estimated CO2 is about 12.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Bethesda and Rain Showers near Brentwood.
Stop Ideas Near Germantown
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Germantown.
Rockville station
Frederick Airport, MD
Frederick, MD
Washington Union Station
Flight Path Map
This map shows the direct air route between Bethesda and Brentwood. Straight-line distance: 34.65 mi (55.76 km).
#1 Bethesda
A census-designated place (CDP) in Montgomery County, Maryland.
| Population | 62,448 |
| Coordinates | 38.9806700, -77.1002600 |
| Altitude | 97 |
| Country | United States |
#2 Brentwood
Town in Maryland
| Population | 3,439 |
| Coordinates | 39.3792700, -77.4927600 |
| Altitude | 158 |
| Country | United States |
End: Brentwood (-77.49276, 39.37927)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 21m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 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 | $4.09 | $5.88 | $11.77 |
| Mid-grade | $4.60 | $6.62 | $13.25 |
| Premium | $4.95 | $7.13 | $14.27 |
| Diesel | $5.98 | $8.61 | $17.22 |
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.