How far is Gwynn Oak, MD from Brentwood, MD?
The driving distance from Gwynn Oak, MD to Brentwood, MD is about 35.9 miles (57.7 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 30.4 miles (48.9 km).
- For a round trip, plan for roughly 01h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 58m.
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 Howard County, Maryland, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
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
2.8 mi · 6 min · Ingleside Avenue
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6
Continue on Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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7
At the end of the road, turn left onto South Rolling Road
1.4 km · 2 min · South Rolling Road
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8
Continue on South Rolling Road
1657 ft · 39 sec · South Rolling Road
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9
Turn left onto I 195 East
3.3 mi · 4 min
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10
Take the exit slight right toward MD 295 South: Washington
1 km · 1 min
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11
Merge slight left onto Baltimore-Washington Parkway
21.6 mi · 30 min · Baltimore-Washington Parkway
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12
Take the exit slight right toward MD 450: Annapolis, Bladensburg
1115 ft · 27 sec
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13
Keep slight right to continue on MD 450: Bladensburg
91 m · 7 sec
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14
Turn straight onto Annapolis Road
1.3 mi · 2 min · Annapolis Road
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15
Continue on Bladensburg Road
1.1 km · 1 min · Bladensburg Road
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16
Turn right onto 38th Avenue
1106 ft · 22 sec · 38th Avenue
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17
Continue on 38th Street
2598 ft · 1 min · 38th Street
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18
Arrive at your destination
0 m · 1 sec · 38th Street
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.
Baltimore-Washington Parkway
Merge slight left onto Baltimore-Washington Parkway
21.6 mi · 00h 30m
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.
Sunny leaving Gwynn Oak and Sunny 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 35.9 miles (57.7 km) and usually takes 00h 58m 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?
Fort George G Mead Junction is a useful midpoint, sitting about 18 miles from Gwynn Oak and 17.9 miles from Brentwood.
How much longer is the road route than the straight-line distance?
The direct path is about 30.4 miles (48.9 km), while the road route adds roughly 5.5 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 EST. If you want a more comfortable same-day return, try to leave by 4:34 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.98 one way or $9.96 round trip. Estimated CO2 is about 11.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Gwynn Oak and Sunny near Brentwood.
Stop Ideas Near Fort George G Mead Junction
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 Fort George G Mead Junction.
BWI Rail Station
New Carrollton station
Pennsylvania Station
Rockville station
Flight Path Map
This map shows the direct air route between Gwynn Oak and Brentwood. Straight-line distance: 30.4 mi (48.92 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
Brentwood is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.9431700, -76.9566400 |
| Altitude | 8 |
| Country | United States |
End: Brentwood (-76.95664, 38.94317)
Estimated Travel Time
Distance: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $4.98 | $9.96 |
| Mid-grade | $4.55 | $5.78 | $11.55 |
| Premium | $4.87 | $6.18 | $12.37 |
| Diesel | $6.28 | $7.97 | $15.95 |
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 · Nov 09, 2026