How far is Lusby, MD from Potomac, MD?
The driving distance from Lusby, MD to Potomac, MD is about 196.8 miles (316.7 km), with a travel time of about 04h 09m by car.
- The straight-line flight distance is about 150.9 miles (242.9 km).
- For a round trip, plan for roughly 08h 18m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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 04h 09m.
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.
The second most populous city in Frederick County, Maryland.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Lusby and Potomac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lusby and Potomac.
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1
Start on Pardoe Road
862 ft · 26 sec · Pardoe Road
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2
Turn left onto South Solomons Island Road
12.4 mi · 17 min · South Solomons Island Road
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3
Continue on North Solomons Island Road
9 mi · 13 min · North Solomons Island Road
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4
Continue on Southern Maryland Boulevard
10.2 mi · 14 min · Southern Maryland Boulevard
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5
Continue on Stephanie Roper Highway
4.6 mi · 6 min · Stephanie Roper Highway
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6
Take the exit slight right toward MD 717: Upper Marlboro
1525 ft · 52 sec
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7
Turn right onto Water Street
1300 ft · 31 sec · Water Street
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8
Turn right onto Main Street
2466 ft · 59 sec · Main Street
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9
Turn left onto Largo Road
7.6 mi · 12 min · Largo Road
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10
Continue on Landover Road
1.7 mi · 3 min · Landover Road
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11
Take the ramp straight toward I 95 North, I 495 North: College Park, Baltimore
2934 ft · 1 min
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12
Merge slight left onto Capital Beltway
9 mi · 12 min · Capital Beltway
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13
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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14
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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15
Keep slight right to continue on I 270 North
28.2 mi · 36 min
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16
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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17
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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18
Merge slight right
52.1 mi · 56 min
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19
Keep slight left to continue on US 40, I 68: Cumberland
40.9 mi · 46 min
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20
Take the exit slight right toward Vocke Road
1417 ft · 35 sec
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21
Turn slight right
150 m · 12 sec
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22
Turn straight onto Vocke Road Southwest
2718 ft · 52 sec · Vocke Road Southwest
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23
Turn left onto Winchester Road
4.7 mi · 10 min · Winchester Road
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24
Arrive at your destination
0 m · 1 sec · Winchester Road
Car Route Details
A richer read on the saved driving route between Lusby and Potomac.
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.
Sunny leaving Lusby and Sunny near Potomac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lusby to Potomac?
The road trip is about 196.8 miles (316.7 km) and usually takes 04h 09m 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?
Frederick is a useful midpoint, sitting about 98.2 miles from Lusby and 98.6 miles from Potomac.
How much longer is the road route than the straight-line distance?
The direct path is about 150.9 miles (242.9 km), while the road route adds roughly 45.9 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 EST. If you want a more comfortable same-day return, try to leave by 8:42 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.26 one way or $54.53 round trip. Estimated CO2 is about 61.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lusby and Sunny near Potomac.
Stop Ideas Near Frederick
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 Frederick.
Frederick, MD
Frederick Airport, MD
Harpers Ferry
Hagerstown, MD
Flight Path Map
This map shows the direct air route between Lusby and Potomac. Straight-line distance: 150.91 mi (242.87 km).
#1 Lusby
Census designated place in Calvert County, Maryland
| Population | 1,835 |
| Coordinates | 38.4106800, -76.4552300 |
| Altitude | 31 |
| Country | United States |
#2 Potomac
Potomac is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.5675900, -78.8389100 |
| Altitude | 200 |
| Country | United States |
End: Potomac (-78.83891, 39.56759)
Estimated Travel Time
Distance: 317 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 33m |
| 40 mph (64.37 km/h) | 04h 55m |
| 50 mph (80.47 km/h) | 03h 56m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $27.26 | $54.53 |
| Mid-grade | $4.55 | $31.62 | $63.23 |
| Premium | $4.87 | $33.84 | $67.68 |
| Diesel | $6.28 | $43.63 | $87.26 |
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