How far is Gwynn Oak, MD from Brentwood, MD?
The driving distance from Gwynn Oak, MD to Brentwood, MD is about 47.9 miles (77.1 km), with a travel time of about 00h 59m by car.
- The straight-line flight distance is about 42.9 miles (69 km).
- For a round trip, plan for roughly 01h 59m 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 59m.
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.
City in Surry County, North Carolina, 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 Gwynn Oak and Brentwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gwynn Oak and Brentwood.
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1
Start on the route
18 m · 6 sec
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2
Turn right onto Haddon Avenue
54 m · 12 sec · Haddon Avenue
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3
Turn left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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4
Turn slight right onto West Forest Park Avenue
1.4 mi · 4 min · West Forest Park Avenue
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5
Continue on Ingleside Avenue
944 ft · 31 sec · Ingleside Avenue
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6
Take the ramp slight right toward I 70 West
1812 ft · 44 sec
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7
Merge slight left
11.6 mi · 13 min
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8
Continue straight
4.2 mi · 5 min
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9
Continue straight
11.8 mi · 13 min
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10
Continue straight
12.8 mi · 14 min
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11
Take the exit slight right toward US 340 West, US 15 South: Charles Town, Leesburg
1716 ft · 27 sec
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12
Keep slight left to continue on US 15 South, US 340 West: Charles Town, Leesburg
1802 ft · 35 sec
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13
Merge slight left onto Jefferson National Pike
2 mi · 2 min · Jefferson National Pike
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14
Take the exit slight right toward Mount Zion Road
1232 ft · 30 sec
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15
Keep slight right to continue on Mount Zion Road
48 m · 5 sec
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16
Turn straight onto Mount Zion Road
2167 ft · 43 sec · Mount Zion Road
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17
Enter the roundabout and take exit 3 toward Jefferson Pike
66 m · 5 sec · Jefferson Pike
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18
Exit the roundabout onto Jefferson Pike
1.2 km · 1 min · Jefferson Pike
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19
Turn right onto Teen Barnes Road
1697 ft · 49 sec · Teen Barnes Road
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20
Turn right onto Woodhill Way
145 m · 23 sec · Woodhill Way
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21
Turn right onto Woodhirst Drive
786 ft · 35 sec · Woodhirst Drive
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22
Arrive at your destination
0 m · 1 sec · Woodhirst Drive
Car Route Details
A richer read on the saved driving route between Gwynn Oak and Brentwood.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Continue straight
12.8 mi · 00h 14m
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 Gwynn Oak 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 Gwynn Oak to Brentwood?
The road trip is about 47.9 miles (77.1 km) and usually takes 00h 59m 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?
Mount Airy is a useful midpoint, sitting about 23.9 miles from Gwynn Oak and 24 miles from Brentwood.
How much longer is the road route than the straight-line distance?
The direct path is about 42.9 miles (69 km), while the road route adds roughly 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:30 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 Rain Showers around Gwynn Oak and Rain Showers near Brentwood.
Stop Ideas Near Mount Airy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mount Airy.
Frederick Airport, MD
Frederick, MD
Rockville station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Gwynn Oak and Brentwood. Straight-line distance: 42.86 mi (68.98 km).
#1 Gwynn Oak
A census-designated place in Baltimore County, Maryland.
| Population | 47,092 |
| Coordinates | 39.3326100, -76.6927500 |
| Altitude | 130 |
| 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: 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 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.