How far is Hillandale, MD from Gwynn Oak, MD?
The driving distance from Hillandale, MD to Gwynn Oak, MD is about 31.4 miles (50.5 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 26 miles (41.8 km).
- For a round trip, plan for roughly 01h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Hillandale and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hillandale and Gwynn Oak.
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1
Start on the route
53 m · 13 sec
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2
Turn right onto Overlook Drive
1515 ft · 1 min · Overlook Drive
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3
Turn right onto New Hampshire Avenue
1.3 mi · 3 min · New Hampshire Avenue
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4
Take the ramp slight right toward US 29 North: Columbia
1539 ft · 42 sec
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5
Merge slight left onto Columbia Pike
19.9 mi · 27 min · Columbia Pike
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6
Take the exit slight right toward I 70 East: Baltimore
1.1 km · 1 min
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7
Merge slight left
6 mi · 7 min
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8
Take the exit slight right toward Security Boulevard
1469 ft · 36 sec
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9
Turn straight onto Security Boulevard
916 ft · 22 sec · Security Boulevard
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10
Turn right onto North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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11
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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12
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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13
Turn left
18 m · 4 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Hillandale 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.
Columbia Pike
Merge slight left onto Columbia Pike
19.9 mi · 00h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers Likely leaving Hillandale and Rain Showers near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hillandale to Gwynn Oak?
The road trip is about 31.4 miles (50.5 km) and usually takes 00h 40m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
North Laurel is a useful midpoint, sitting about 15.7 miles from Hillandale and 15.7 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 26 miles (41.8 km), while the road route adds roughly 5.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.54 one way or $9.07 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Hillandale and Rain Showers near Gwynn Oak.
Stop Ideas Near North Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Baltimore City Hall
Laurel City Office
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to North Laurel.
BWI Rail Station
New Carrollton station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Hillandale and Gwynn Oak. Straight-line distance: 25.97 mi (41.8 km).
#1 Hillandale
Census-designated place Maryland, United States
| Population | 6,043 |
| Coordinates | 39.0265000, -76.9741400 |
| Altitude | 80 |
| 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: 50 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 02m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.54 | $9.07 |
| Mid-grade | $4.60 | $5.10 | $10.21 |
| Premium | $4.95 | $5.50 | $11.00 |
| Diesel | $5.98 | $6.64 | $13.28 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.