How far is Gwynn Oak, MD from Mellwood, MD?
The driving distance from Gwynn Oak, MD to Mellwood, MD is about 47.7 miles (76.8 km), with a travel time of about 01h 09m by car.
- The straight-line flight distance is about 36.8 miles (59.2 km).
- For a round trip, plan for roughly 02h 19m 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 09m.
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
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 Mellwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gwynn Oak and Mellwood.
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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
1.2 km · 47 sec
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10
Take the exit slight right toward I 95 South: Washington
2757 ft · 1 min
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11
Merge slight left
35.5 mi · 44 min
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12
Take the exit slight right toward MD 4 South/East: Pennsylvania Avenue, Upper Marlboro
1806 ft · 44 sec
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13
Merge slight left onto Pennsylvania Avenue
2.9 mi · 4 min · Pennsylvania Avenue
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14
Take the exit slight right toward MD 223: Woodyard Road, Westphalia, Clinton
889 ft · 29 sec
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15
Turn right onto Woodyard Road
894 ft · 24 sec · Woodyard Road
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16
Turn left onto Marlboro Pike
39 m · 5 sec · Marlboro Pike
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17
Arrive at your destination
0 m · 1 sec · Marlboro Pike
Car Route Details
A richer read on the saved driving route between Gwynn Oak and Mellwood.
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 95 South
Merge slight left
35.5 mi · 00h 44m
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 Mellwood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gwynn Oak to Mellwood?
The road trip is about 47.7 miles (76.8 km) and usually takes 01h 09m 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?
West Laurel is a useful midpoint, sitting about 23.9 miles from Gwynn Oak and 23.9 miles from Mellwood.
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 10.9 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 4:10 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.62 one way or $13.25 round trip. Estimated CO2 is about 14.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Gwynn Oak and Sunny near Mellwood.
Stop Ideas Near West Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
The John Wilson Building
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Laurel.
New Carrollton station
BWI Rail Station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Gwynn Oak and Mellwood. Straight-line distance: 36.77 mi (59.17 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 Mellwood
Mellwood is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.8103900, -76.8241400 |
| Altitude | 66 |
| Country | United States |
End: Mellwood (-76.82414, 38.81039)
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 40m |
| 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 | $3.94 | $6.62 | $13.25 |
| Mid-grade | $4.56 | $7.66 | $15.32 |
| Premium | $4.88 | $8.20 | $16.40 |
| Diesel | $6.29 | $10.57 | $21.15 |
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