How far is Gaithersburg, MD from Crownsville, MD?
The driving distance from Gaithersburg, MD to Crownsville, MD is about 40.6 miles (65.4 km), with a travel time of about 01h 01m by car.
- The straight-line flight distance is about 33.1 miles (53.3 km).
- For a round trip, plan for roughly 02h 02m 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 01m.
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 in Prince George’s 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 Gaithersburg and Crownsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gaithersburg and Crownsville.
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1
Start on the route
26 m · 8 sec
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2
Turn right onto North Frederick Avenue
993 ft · 17 sec · North Frederick Avenue
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3
Continue on South Frederick Avenue
1.4 mi · 2 min · South Frederick Avenue
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4
Continue on Frederick Road
1906 ft · 43 sec · Frederick Road
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5
Turn left onto Shady Grove Road
1.1 mi · 3 min · Shady Grove Road
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6
Turn left onto MD 200 Toll East
2888 ft · 1 min
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7
Merge slight left onto Intercounty Connector
17.2 mi · 22 min · Intercounty Connector
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8
Keep slight left to continue on US 1 North: Laurel
1020 ft · 30 sec
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9
Turn straight onto Baltimore Avenue
2.4 mi · 4 min · Baltimore Avenue
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10
Continue on Baltimore Street
142 m · 13 sec · Baltimore Street
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11
Continue on Baltimore Avenue
741 ft · 18 sec · Baltimore Avenue
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12
Continue on Baltimore Street
704 ft · 19 sec · Baltimore Street
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13
Turn slight right
128 m · 10 sec
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14
Turn straight onto Gorman Avenue
105 m · 8 sec · Gorman Avenue
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15
Continue on Fort Meade Road
1.1 km · 2 min · Fort Meade Road
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16
Continue on Laurel Fort Meade Road
4.4 mi · 8 min · Laurel Fort Meade Road
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17
Take the ramp straight toward MD 32 East: Odenton
1660 ft · 28 sec
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18
Merge slight left onto Patuxent Freeway
8.3 mi · 11 min · Patuxent Freeway
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19
Merge slight left
1.2 km · 52 sec
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20
Take the exit slight right toward MD 178: Crownsville
1 mi · 2 min
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21
Continue on Generals Highway
1 mi · 2 min · Generals Highway
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22
Turn left onto Lancers Trail
603 ft · 28 sec · Lancers Trail
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23
Arrive at your destination
0 m · 1 sec · Lancers Trail
Car Route Details
A richer read on the saved driving route between Gaithersburg and Crownsville.
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.
Intercounty Connector
Merge slight left onto Intercounty Connector
17.2 mi · 00h 22m
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.
Rain Showers Likely leaving Gaithersburg and Rain Showers near Crownsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gaithersburg to Crownsville?
The road trip is about 40.6 miles (65.4 km) and usually takes 01h 01m 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?
South Laurel is a useful midpoint, sitting about 20.3 miles from Gaithersburg and 20.3 miles from Crownsville.
How much longer is the road route than the straight-line distance?
The direct path is about 33.1 miles (53.3 km), while the road route adds roughly 7.5 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 4:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.84 one way or $11.69 round trip. Estimated CO2 is about 12.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Gaithersburg and Rain Showers near Crownsville.
Stop Ideas Near South Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
The John Wilson Building
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Laurel.
New Carrollton station
BWI Rail Station
Washington Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Gaithersburg and Crownsville. Straight-line distance: 33.14 mi (53.34 km).
#1 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
#2 Crownsville
Census-designated place in Maryland, United Staes
| Population | 1,757 |
| Coordinates | 39.0284400, -76.6013500 |
| Altitude | 38 |
| Country | United States |
End: Crownsville (-76.60135, 39.02844)
Estimated Travel Time
Distance: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 21m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.84 | $11.69 |
| Mid-grade | $4.60 | $6.58 | $13.15 |
| Premium | $4.95 | $7.08 | $14.17 |
| Diesel | $5.98 | $8.55 | $17.10 |
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.