How far is Gwynn Oak, MD from Joppatowne, MD?
The driving distance from Gwynn Oak, MD to Joppatowne, MD is about 25 miles (40.3 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 20 miles (32.2 km).
- For a round trip, plan for roughly 01h 33m 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 00h 46m.
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.
Chance Light Rain
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Gwynn Oak and Joppatowne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gwynn Oak and Joppatowne.
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1
Start on the route
18 m · 10 sec
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2
Turn left onto Haddon Avenue
706 ft · 26 sec · Haddon Avenue
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3
At the end of the road, turn right onto Eldorado Avenue
664 ft · 30 sec · Eldorado Avenue
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4
Turn left onto Liberty Heights Avenue
2.2 mi · 6 min · Liberty Heights Avenue
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5
Turn slight right
132 m · 16 sec
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6
Continue on Reisterstown Road
2273 ft · 1 min · Reisterstown Road
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7
Turn right onto Pennsylvania Avenue
1698 ft · 1 min · Pennsylvania Avenue
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8
Turn left onto West North Avenue
3.1 mi · 9 min · West North Avenue
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9
Turn left onto Belair Road
787 ft · 24 sec · Belair Road
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10
Turn right onto Sinclair Lane
1.8 mi · 5 min · Sinclair Lane
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11
Turn right onto Bowleys Lane
2238 ft · 1 min · Bowleys Lane
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12
Continue on Moravia Park Drive
610 ft · 25 sec · Moravia Park Drive
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13
Turn right onto Moravia Road
1363 ft · 39 sec · Moravia Road
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14
Continue on Moravia Road
986 ft · 33 sec · Moravia Road
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15
Turn left onto I 95 Toll North
1337 ft · 35 sec
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16
Merge slight right onto Express Toll Lanes
8.4 mi · 10 min · Express Toll Lanes
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17
Keep slight left to continue on Express Toll Lanes
5.3 mi · 6 min · Express Toll Lanes
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18
Take the exit slight left
902 ft · 22 sec
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19
Turn sharp left onto Mountain Road
1.2 mi · 2 min · Mountain Road
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20
Turn right onto Old Mountain Road Central
116 m · 18 sec · Old Mountain Road Central
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21
Turn right onto Martin Lane
906 ft · 1 min · Martin Lane
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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 Gwynn Oak and Joppatowne.
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.
Express Toll Lanes
Merge slight right onto Express Toll Lanes
8.43 mi · 00h 10m
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.
Chance Light Rain leaving Gwynn Oak and Chance Light Rain near Joppatowne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gwynn Oak to Joppatowne?
The road trip is about 25 miles (40.3 km) and usually takes 00h 46m 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?
Overlea is a useful midpoint, sitting about 12.5 miles from Gwynn Oak and 12.6 miles from Joppatowne.
How much longer is the road route than the straight-line distance?
The direct path is about 20 miles (32.2 km), while the road route adds roughly 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 EDT. If you want a more comfortable same-day return, try to leave by 4:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.60 one way or $7.19 round trip. Estimated CO2 is about 7.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Gwynn Oak and Chance Light Rain near Joppatowne.
Stop Ideas Near Overlea
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 Overlea.
Pennsylvania Station
BWI Rail Station
Aberdeen
Kent Island, MD
Flight Path Map
This map shows the direct air route between Gwynn Oak and Joppatowne. Straight-line distance: 19.99 mi (32.17 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 Joppatowne
Census designated place in Maryland, USA
| Population | 12,616 |
| Coordinates | 39.4578900, -76.3552400 |
| Altitude | 74 |
| Country | United States |
End: Joppatowne (-76.35524, 39.45789)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 50m |
| 40 mph (64.37 km/h) | 00h 37m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.60 | $7.19 |
| Mid-grade | $4.60 | $4.05 | $8.09 |
| Premium | $4.95 | $4.36 | $8.72 |
| Diesel | $5.98 | $5.26 | $10.52 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.