How far is Brentwood, MD from Gwynn Oak, MD?
The driving distance from Brentwood, MD to Gwynn Oak, MD is about 42.5 miles (68.4 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 57m 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 Brentwood and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brentwood and Gwynn Oak.
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1
Start on 38th Street
2608 ft · 1 min · 38th Street
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2
Continue on 38th Avenue
1106 ft · 30 sec · 38th Avenue
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3
Turn left onto Bladensburg Road
2859 ft · 1 min · Bladensburg Road
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4
Continue on Bladensburg Road
789 ft · 13 sec · Bladensburg Road
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5
Continue on Annapolis Road
1.3 km · 1 min · Annapolis Road
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6
Turn slight left onto Annapolis Road
1.1 km · 1 min · Annapolis Road
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7
Turn left onto MD 295: Baltimore-Washington International Thurgood Marshall Airport, Baltimore
1007 ft · 27 sec
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8
Merge slight left onto Baltimore-Washington Parkway
22 mi · 30 min · Baltimore-Washington Parkway
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9
Take the exit slight right toward I 195 West: Catonsville
1549 ft · 38 sec
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10
Merge slight left onto Metropolitan Boulevard
3.7 mi · 4 min · Metropolitan Boulevard
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11
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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12
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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13
Continue on Ingleside Avenue
2.7 mi · 6 min · Ingleside Avenue
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14
Continue on North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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15
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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16
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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17
Turn left
18 m · 4 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Brentwood and Gwynn Oak.
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.
Baltimore-Washington Parkway
Merge slight left onto Baltimore-Washington Parkway
22 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 Brentwood and Sunny near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brentwood to Gwynn Oak?
The road trip is about 42.5 miles (68.4 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 18.1 miles from Brentwood and 24.4 miles from Gwynn Oak.
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 12.1 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 EST. If you want a more comfortable same-day return, try to leave by 4:32 PM EST.
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 13.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Brentwood and Sunny near Gwynn Oak.
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 Brentwood and Gwynn Oak. Straight-line distance: 30.4 mi (48.92 km).
#1 Brentwood
Brentwood is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.9431700, -76.9566400 |
| Altitude | 8 |
| Country | United States |
#2 Gwynn Oak
A census-designated place in Baltimore County, Maryland.
| Population | 47,092 |
| Coordinates | 39.3326100, -76.6927500 |
| Altitude | 130 |
| Country | United States |
End: (-76.692724, 39.332601)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $5.88 | $11.77 |
| Mid-grade | $4.55 | $6.82 | $13.65 |
| Premium | $4.87 | $7.30 | $14.61 |
| Diesel | $6.28 | $9.42 | $18.83 |
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