How far is Rockville, MD from Mountain Lake Park, MD?
The driving distance from Rockville, MD to Mountain Lake Park, MD is about 162.3 miles (261.2 km), with a travel time of about 03h 25m by car.
- The straight-line flight distance is about 121.2 miles (195.1 km).
- For a round trip, plan for roughly 06h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 25m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Rockville and Mountain Lake Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and Mountain Lake Park.
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1
Start on South Washington Street
19 m · 9 sec · South Washington Street
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2
Turn left onto West Montgomery Avenue
1021 ft · 28 sec · West Montgomery Avenue
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3
Turn straight onto West Jefferson Street
89 m · 11 sec · West Jefferson Street
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4
Continue on West Montgomery Avenue
1.2 km · 2 min · West Montgomery Avenue
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5
Take the ramp slight right toward I 270 North: Frederick
1343 ft · 33 sec
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6
Merge slight left onto I 270 North
25.1 mi · 32 min
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7
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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8
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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9
Merge slight right
52.1 mi · 56 min
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10
Keep slight left to continue on US 40, I 68: Cumberland
45.4 mi · 52 min
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11
Take the exit slight right toward MD 36: Westernport, Frostburg
1983 ft · 49 sec
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12
Keep slight left to continue on MD 36 South: Westernport
84 m · 7 sec
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13
Turn left onto New Georges Creek Road Southwest
3.6 mi · 6 min · New Georges Creek Road Southwest
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14
Turn slight left onto Paradise Street Southwest
1 km · 2 min · Paradise Street Southwest
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15
At the end of the road, turn left onto New Georges Creek Road Southwest
1579 ft · 38 sec · New Georges Creek Road Southwest
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16
Continue on Lower Georges Creek Road Southwest
1.7 mi · 4 min · Lower Georges Creek Road Southwest
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17
Continue on East Main Street
1 mi · 3 min · East Main Street
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18
Continue on New Georges Creek Road Southwest
7.4 mi · 12 min · New Georges Creek Road Southwest
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19
Turn right onto Front Street
1642 ft · 28 sec · Front Street
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20
Continue on Pratt Street
1.5 mi · 2 min · Pratt Street
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21
Continue on Maryland Highway
14.3 mi · 22 min · Maryland Highway
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22
At the end of the road, turn left onto Maryland Highway
6.3 mi · 9 min · Maryland Highway
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23
Arrive at your destination
0 m · 1 sec · Maryland Highway
Car Route Details
A richer read on the saved driving route between Rockville and Mountain Lake 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 longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain Showers leaving Rockville and Rain Showers Likely near Mountain Lake Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockville to Mountain Lake Park?
The road trip is about 162.3 miles (261.2 km) and usually takes 03h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hancock is a useful midpoint, sitting about 81.1 miles from Rockville and 81.2 miles from Mountain Lake Park.
How much longer is the road route than the straight-line distance?
The direct path is about 121.2 miles (195.1 km), while the road route adds roughly 41.1 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:10 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.41 one way or $46.83 round trip. Estimated CO2 is about 50.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Rockville and Rain Showers Likely near Mountain Lake Park.
Stop Ideas Near Hancock
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 Hancock.
Hancock, MD
Martinsburg station
Hagerstown, MD
Cumberland, MD
Flight Path Map
This map shows the direct air route between Rockville and Mountain Lake Park. Straight-line distance: 121.24 mi (195.11 km).
#1 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
#2 Mountain Lake Park
Town of the United States
| Population | 2,065 |
| Coordinates | 39.3984300, -79.3817100 |
| Altitude | 748 |
| Country | United States |
End: Mountain Lake Park (-79.38171, 39.39843)
Estimated Travel Time
Distance: 261 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 24m |
| 40 mph (64.37 km/h) | 04h 03m |
| 50 mph (80.47 km/h) | 03h 14m |
| 60 mph (96.56 km/h) | 02h 42m |
| 70 mph (112.65 km/h) | 02h 19m |
| 80 mph (129 km/h) | 02h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $23.41 | $46.83 |
| Mid-grade | $4.60 | $26.35 | $52.70 |
| Premium | $4.95 | $28.39 | $56.77 |
| Diesel | $5.98 | $34.27 | $68.53 |
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.