How far is Gwynn Oak, MD from Arnold, MD?
The driving distance from Gwynn Oak, MD to Arnold, MD is about 29 miles (46.6 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 23.1 miles (37.2 km).
- For a round trip, plan for roughly 01h 32m 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.
This departure sits inside the recommended comfort window for the route.
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.
Partly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gwynn Oak and Arnold.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gwynn Oak and Arnold.
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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
1.6 mi · 3 min · Ingleside Avenue
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6
Turn right onto Baltimore National Pike
2671 ft · 56 sec · Baltimore National Pike
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7
Take the ramp left toward I 695 South: Glen Burnie
2015 ft · 51 sec
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8
Merge slight left onto Baltimore Beltway
9.5 mi · 13 min · Baltimore Beltway
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9
Take the exit slight right toward MD 10 South: Severna Park
3143 ft · 1 min
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10
Continue on Arundel Expressway
5.9 mi · 8 min · Arundel Expressway
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11
Keep slight right to continue on Arundel Expressway
1.2 km · 1 min · Arundel Expressway
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12
Turn left onto Ritchie Highway
2.4 mi · 3 min · Ritchie Highway
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13
Continue on Governor Ritchie Highway
4.8 mi · 7 min · Governor Ritchie Highway
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14
Turn left onto Arnold Road
122 m · 24 sec · Arnold Road
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15
At the end of the road, turn left onto Baltimore Annapolis Boulevard
60 m · 9 sec · Baltimore Annapolis Boulevard
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16
Continue on Church Road
738 ft · 21 sec · Church Road
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17
Arrive at your destination
0 m · 1 sec · Church Road
Car Route Details
A richer read on the saved driving route between Gwynn Oak and Arnold.
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 Beltway
Merge slight left onto Baltimore Beltway
9.55 mi · 00h 13m
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.
Partly Cloudy leaving Gwynn Oak and Mostly Sunny near Arnold.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gwynn Oak to Arnold?
The road trip is about 29 miles (46.6 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?
Pumphrey is a useful midpoint, sitting about 14.5 miles from Gwynn Oak and 14.5 miles from Arnold.
How much longer is the road route than the straight-line distance?
The direct path is about 23.1 miles (37.2 km), while the road route adds roughly 5.9 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 EDT. If you want a more comfortable same-day return, try to leave by 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.17 one way or $8.34 round trip. Estimated CO2 is about 9.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Gwynn Oak and Mostly Sunny near Arnold.
Stop Ideas Near Pumphrey
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 Pumphrey.
BWI Rail Station
Pennsylvania Station
New Carrollton station
Kent Island, MD
Flight Path Map
This map shows the direct air route between Gwynn Oak and Arnold. Straight-line distance: 23.13 mi (37.22 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 Arnold
Arnold is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.0320600, -76.5027400 |
| Altitude | 39 |
| Country | United States |
End: Arnold (-76.50274, 39.03206)
Estimated Travel Time
Distance: 47 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 57m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.17 | $8.34 |
| Mid-grade | $4.60 | $4.69 | $9.38 |
| Premium | $4.95 | $5.05 | $10.11 |
| Diesel | $5.98 | $6.10 | $12.20 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.