How far is California, MD from Gwynn Oak, MD?
The driving distance from California, MD to Gwynn Oak, MD is about 90 miles (144.8 km), with a travel time of about 01h 51m by car.
- The straight-line flight distance is about 72 miles (115.9 km).
- For a round trip, plan for roughly 03h 42m 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 51m.
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.
Town in Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Driving Route Map
The map below follows the saved road route between California and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between California and Gwynn Oak.
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1
Start on Shady Mile Drive
995 ft · 48 sec · Shady Mile Drive
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2
Turn right onto Three Notch Road
1.2 km · 1 min · Three Notch Road
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3
Turn right onto Patuxent Beach Road
2.5 mi · 4 min · Patuxent Beach Road
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4
Continue on Thomas Johnson Bridge
1.4 mi · 2 min · Thomas Johnson Bridge
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5
Continue on South Solomons Island Road
18.6 mi · 26 min · South Solomons Island Road
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6
Continue on North Solomons Island Road
9 mi · 13 min · North Solomons Island Road
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7
Continue on Southern Maryland Boulevard
10.2 mi · 14 min · Southern Maryland Boulevard
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8
Continue on Stephanie Roper Highway
4 mi · 5 min · Stephanie Roper Highway
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9
Take the exit slight right toward US 301 North: Baltimore
1781 ft · 1 min
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10
Merge slight left onto Crain Highway
1.3 mi · 2 min · Crain Highway
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11
Continue on South East Crain Highway
10.8 mi · 16 min · South East Crain Highway
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12
Continue on Robert Crain Highway
7.1 mi · 11 min · Robert Crain Highway
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13
Merge slight left
8.9 mi · 10 min
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14
Take the exit slight right toward I 695 West: Baltimore, Towson
1.1 mi · 1 min
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15
Merge slight right onto Baltimore Beltway
7.7 mi · 10 min · Baltimore Beltway
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16
Take the exit slight right toward US 40 East: Baltimore
1820 ft · 44 sec
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17
Turn straight onto Baltimore National Pike
957 ft · 22 sec · Baltimore National Pike
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18
Turn left onto Ingleside Avenue
1.6 mi · 3 min · Ingleside Avenue
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19
Continue on North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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20
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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21
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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22
Turn left
18 m · 4 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between California and Gwynn Oak.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
South Solomons Island Road
Continue on South Solomons Island Road
18.6 mi · 00h 26m
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 California and Partly Cloudy near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from California to Gwynn Oak?
The road trip is about 90 miles (144.8 km) and usually takes 01h 51m 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?
Upper Marlboro is a useful midpoint, sitting about 44.2 miles from California and 45.9 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 72 miles (115.9 km), while the road route adds roughly 18 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 2:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.99 one way or $25.99 round trip. Estimated CO2 is about 28.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around California and Partly Cloudy near Gwynn Oak.
Stop Ideas Near Upper Marlboro
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Chesapeake Beach Town Hall
Kenhill Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Upper Marlboro.
New Carrollton station
Washington Union Station
Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between California and Gwynn Oak. Straight-line distance: 72.01 mi (115.89 km).
#1 California
California is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.3004000, -76.5074500 |
| Altitude | 30 |
| 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: 145 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 59m |
| 40 mph (64.37 km/h) | 02h 15m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $12.99 | $25.99 |
| Mid-grade | $4.60 | $14.62 | $29.25 |
| Premium | $4.95 | $15.75 | $31.51 |
| Diesel | $5.98 | $19.02 | $38.03 |
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.