How far is Mellwood, MD from Gwynn Oak, MD?
The driving distance from Mellwood, MD to Gwynn Oak, MD is about 51.4 miles (82.8 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 36.8 miles (59.2 km).
- For a round trip, plan for roughly 02h 01m 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 01h 00m.
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 Anne Arundel County, Maryland, United States
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 Mellwood and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mellwood and Gwynn Oak.
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1
Start on Marlboro Pike
25 m · 6 sec · Marlboro Pike
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2
Turn right onto Woodyard Road
1383 ft · 25 sec · Woodyard Road
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3
Turn straight onto Melwood Road
125 m · 10 sec · Melwood Road
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4
Continue on Melwood Road
100 m · 17 sec · Melwood Road
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5
Take the ramp right toward MD 4 North
1418 ft · 35 sec
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6
Merge slight left onto Pennsylvania Avenue
2.5 mi · 3 min · Pennsylvania Avenue
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7
Take the exit slight right toward I 95 North, I 495 North: Baltimore, College Park
2160 ft · 46 sec
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8
Merge slight left onto Capital Beltway
10.7 mi · 15 min · Capital Beltway
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9
Take the exit slight right toward MD 295 North: BWI Marshall Airport, Baltimore North, Baltimore-Washington Parkway
1285 ft · 31 sec
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10
Keep slight left to continue on MD 295 North: Baltimore, Baltimore/Washington International Thurgood Marshall Airport
1100 ft · 27 sec
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11
Merge slight left onto Baltimore-Washington Parkway
17.9 mi · 25 min · Baltimore-Washington Parkway
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12
Take the exit slight right toward I 195 West: Catonsville
1549 ft · 38 sec
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13
Merge slight left onto Metropolitan Boulevard
3.7 mi · 4 min · Metropolitan Boulevard
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14
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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15
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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16
Continue on Ingleside Avenue
2.7 mi · 6 min · Ingleside Avenue
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17
Continue on North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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18
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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19
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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20
Turn left
18 m · 4 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mellwood 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
17.9 mi · 00h 25m
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 Mellwood 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 Mellwood to Gwynn Oak?
The road trip is about 51.4 miles (82.8 km) and usually takes 01h 00m 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?
Maryland City is a useful midpoint, sitting about 22 miles from Mellwood and 29.5 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 36.8 miles (59.2 km), while the road route adds roughly 14.6 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 4:28 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.14 one way or $14.27 round trip. Estimated CO2 is about 16.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mellwood and Sunny near Gwynn Oak.
Stop Ideas Near Maryland City
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 Maryland City.
BWI Rail Station
New Carrollton station
Washington Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Mellwood and Gwynn Oak. Straight-line distance: 36.77 mi (59.17 km).
#1 Mellwood
Mellwood is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.8103900, -76.8241400 |
| Altitude | 66 |
| 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: 83 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 42m |
| 40 mph (64.37 km/h) | 01h 17m |
| 50 mph (80.47 km/h) | 01h 01m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.94 | $7.14 | $14.27 |
| Mid-grade | $4.56 | $8.25 | $16.51 |
| Premium | $4.88 | $8.83 | $17.67 |
| Diesel | $6.29 | $11.39 | $22.78 |
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 07, 2026