How far is Gaithersburg, MD from Potomac Park, MD?
The driving distance from Gaithersburg, MD to Potomac Park, MD is about 115.6 miles (186 km), with a travel time of about 02h 13m by car.
- The straight-line flight distance is about 91.6 miles (147.4 km).
- For a round trip, plan for roughly 04h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 02h 13m.
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 of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gaithersburg and Potomac Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gaithersburg and Potomac Park.
-
1
Start on the route
26 m · 12 sec
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2
Turn left onto North Frederick Avenue
1.4 km · 1 min · North Frederick Avenue
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3
Turn left onto Quince Orchard Road
1131 ft · 28 sec · Quince Orchard Road
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4
Take the ramp slight right toward I 270 North
1199 ft · 29 sec
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5
Merge slight left
20.2 mi · 25 min
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6
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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7
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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8
Merge slight right
52.1 mi · 56 min
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9
Keep slight left to continue on US 40, I 68: Cumberland
38.3 mi · 43 min
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10
Take the exit slight right toward US 220 South: McCoole, Keyser WV
640 ft · 16 sec
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11
Keep slight left
152 m · 14 sec
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12
Turn slight left onto McMullen Highway
2.8 mi · 5 min · McMullen Highway
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13
Turn sharp left onto Moss Avenue
36 m · 10 sec · Moss Avenue
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14
Arrive at your destination
0 m · 1 sec · Moss Avenue
Car Route Details
A richer read on the saved driving route between Gaithersburg and Potomac Park.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight right
52.1 mi · 00h 56m
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 Gaithersburg and Mostly Sunny near Potomac Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gaithersburg to Potomac Park?
The road trip is about 115.6 miles (186 km) and usually takes 02h 13m 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?
Clear Spring is a useful midpoint, sitting about 57.7 miles from Gaithersburg and 57.8 miles from Potomac Park.
How much longer is the road route than the straight-line distance?
The direct path is about 91.6 miles (147.4 km), while the road route adds roughly 24 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 EST. If you want a more comfortable same-day return, try to leave by 2:02 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.01 one way or $32.01 round trip. Estimated CO2 is about 36.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Gaithersburg and Mostly Sunny near Potomac Park.
Stop Ideas Near Clear Spring
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 Clear Spring.
Hagerstown, MD
Hancock, MD
Martinsburg station
Harpers Ferry
Flight Path Map
This map shows the direct air route between Gaithersburg and Potomac Park. Straight-line distance: 91.6 mi (147.41 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 Potomac Park
Potomac Park is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.6117600, -78.8058500 |
| Altitude | 215 |
| Country | United States |
End: Potomac Park (-78.80585, 39.61176)
Estimated Travel Time
Distance: 186 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 51m |
| 40 mph (64.37 km/h) | 02h 53m |
| 50 mph (80.47 km/h) | 02h 18m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 39m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $16.01 | $32.01 |
| Mid-grade | $4.55 | $18.56 | $37.12 |
| Premium | $4.87 | $19.87 | $39.73 |
| Diesel | $6.28 | $25.61 | $51.23 |
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 · Nov 09, 2026