How far is Potomac Heights, MD from Gwynn Oak, MD?
The driving distance from Potomac Heights, MD to Gwynn Oak, MD is about 74.7 miles (120.2 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 55.5 miles (89.3 km).
- For a round trip, plan for roughly 02h 57m 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 01h 28m.
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.
Area in Prince George's County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Potomac Heights and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Potomac Heights and Gwynn Oak.
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1
Start on Greenwood Avenue
101 m · 15 sec · Greenwood Avenue
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2
Enter the roundabout and take exit 2 toward Cedar Lane
41 m · 4 sec · Cedar Lane
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3
Exit the roundabout onto Cedar Lane
2134 ft · 59 sec · Cedar Lane
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4
At the end of the road, turn left onto Indian Head Highway
19.5 mi · 30 min · Indian Head Highway
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5
Continue on South Capitol Street
1.2 mi · 3 min · South Capitol Street
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6
Turn slight right onto I 295 North: Malcolm X Avenue, Dorothea Dix Avenue, DHS
639 ft · 18 sec
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7
Keep slight left to continue on I 295 North
870 ft · 25 sec
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8
Merge slight left onto Anacostia Freeway
2.2 mi · 3 min · Anacostia Freeway
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9
Keep slight right to continue on Anacostia Freeway
2.7 mi · 5 min · Anacostia Freeway
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10
Continue on Kenilworth Avenue Freeway
2.3 mi · 3 min · Kenilworth Avenue Freeway
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11
Keep slight left to continue on Baltimore
2038 ft · 25 sec
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12
Merge slight left onto Baltimore-Washington Parkway
23.7 mi · 33 min · Baltimore-Washington Parkway
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13
Take the exit slight right toward I 195 West: Catonsville
1549 ft · 38 sec
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14
Merge slight left onto Metropolitan Boulevard
3.7 mi · 4 min · Metropolitan Boulevard
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15
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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16
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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17
Continue on Ingleside Avenue
2.7 mi · 6 min · Ingleside Avenue
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18
Continue on North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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19
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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20
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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21
Turn left
18 m · 4 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Potomac Heights and Gwynn Oak.
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
23.7 mi · 00h 33m
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.
Scattered Showers And Thunderstorms leaving Potomac Heights and Mostly Sunny then Slight Chance Showers And Thunderstorms near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Potomac Heights to Gwynn Oak?
The road trip is about 74.7 miles (120.2 km) and usually takes 01h 28m 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?
East Riverdale is a useful midpoint, sitting about 32 miles from Potomac Heights and 42.7 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 55.5 miles (89.3 km), while the road route adds roughly 19.2 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 3:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.75 one way or $21.49 round trip. Estimated CO2 is about 23.4 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Potomac Heights and Mostly Sunny then Slight Chance Showers And Thunderstorms near Gwynn Oak.
Stop Ideas Near East Riverdale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Riverdale.
New Carrollton station
Washington Union Station
Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Potomac Heights and Gwynn Oak. Straight-line distance: 55.5 mi (89.32 km).
#1 Potomac Heights
Census designated place
| Population | 1,117 |
| Coordinates | 38.6087300, -77.1405300 |
| Altitude | 23 |
| 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: 120 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 29m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.75 | $21.49 |
| Mid-grade | $4.60 | $12.10 | $24.19 |
| Premium | $4.95 | $13.03 | $26.06 |
| Diesel | $5.98 | $15.73 | $31.45 |
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 · May 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.