How far is Prince Frederick, MD from Gaithersburg, MD?
The driving distance from Prince Frederick, MD to Gaithersburg, MD is about 67.8 miles (109.1 km), with a travel time of about 01h 19m by car.
- The straight-line flight distance is about 53.3 miles (85.7 km).
- For a round trip, plan for roughly 02h 39m 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 19m.
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 in Prince George’s County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely then Slight Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Prince Frederick and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prince Frederick and Gaithersburg.
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1
Start on the route
49 m · 13 sec
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2
Turn right
61 m · 17 sec
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3
At the end of the road, turn right onto Main Street
1858 ft · 57 sec · Main Street
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4
Turn right onto North Solomons Island Road
8.5 mi · 12 min · North Solomons Island Road
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5
Continue on Southern Maryland Boulevard
10.2 mi · 14 min · Southern Maryland Boulevard
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6
Continue on Stephanie Roper Highway
4.6 mi · 6 min · Stephanie Roper Highway
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7
Take the exit slight right toward MD 717: Upper Marlboro
1525 ft · 52 sec
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8
Turn right onto Water Street
1300 ft · 31 sec · Water Street
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9
Turn right onto Main Street
2466 ft · 59 sec · Main Street
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10
Turn left onto Largo Road
7.6 mi · 12 min · Largo Road
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11
Continue on Landover Road
1.7 mi · 3 min · Landover Road
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12
Take the ramp straight toward I 95 North, I 495 North: College Park, Baltimore
2934 ft · 1 min
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13
Merge slight left onto Capital Beltway
9 mi · 12 min · Capital Beltway
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14
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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15
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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16
Keep slight right to continue on I 270 North
7.3 mi · 10 min
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17
Take the exit slight right toward MD 117, MD 124 South: Clopper Road, West Diamond Avenue, Quince Orchard Road
1387 ft · 42 sec
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18
Turn left onto West Diamond Avenue
2537 ft · 51 sec · West Diamond Avenue
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19
Turn left onto Meem Avenue
616 ft · 29 sec · Meem Avenue
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20
Turn right onto Chestnut Street
1033 ft · 35 sec · Chestnut Street
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21
Turn right onto North Frederick Avenue
77 m · 7 sec · North Frederick Avenue
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22
Turn right
26 m · 6 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 Prince Frederick and Gaithersburg.
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.
Southern Maryland Boulevard
Continue on Southern Maryland Boulevard
10.2 mi · 00h 14m
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 then Slight Chance Showers And Thunderstorms leaving Prince Frederick and Mostly Cloudy near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prince Frederick to Gaithersburg?
The road trip is about 67.8 miles (109.1 km) and usually takes 01h 19m 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?
Lake Arbor is a useful midpoint, sitting about 32.6 miles from Prince Frederick and 35.2 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 53.3 miles (85.7 km), while the road route adds roughly 14.5 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 3:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.77 one way or $19.53 round trip. Estimated CO2 is about 21.2 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely then Slight Chance Showers And Thunderstorms around Prince Frederick and Mostly Cloudy near Gaithersburg.
Stop Ideas Near Lake Arbor
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lake Arbor.
New Carrollton station
Washington Union Station
Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Prince Frederick and Gaithersburg. Straight-line distance: 53.28 mi (85.74 km).
#1 Prince Frederick
Town in Calvert County, Maryland, United States
| Population | 2,538 |
| Coordinates | 38.5404000, -76.5844000 |
| Altitude | 42 |
| Country | United States |
#2 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 109 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 15m |
| 40 mph (64.37 km/h) | 01h 41m |
| 50 mph (80.47 km/h) | 01h 21m |
| 60 mph (96.56 km/h) | 01h 07m |
| 70 mph (112.65 km/h) | 00h 58m |
| 80 mph (129 km/h) | 00h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $9.77 | $19.53 |
| Mid-grade | $4.60 | $10.99 | $21.98 |
| Premium | $4.95 | $11.84 | $23.68 |
| Diesel | $5.98 | $14.29 | $28.58 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.