How far is Potomac, MD from Lusby, MD?
The driving distance from Potomac, MD to Lusby, MD is about 196.2 miles (315.8 km), with a travel time of about 04h 10m by car.
- The straight-line flight distance is about 150.9 miles (242.9 km).
- For a round trip, plan for roughly 08h 21m 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 10m.
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 Frederick County, Maryland, United States
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 Potomac and Lusby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Potomac and Lusby.
-
1
Start on Winchester Road
2 mi · 5 min · Winchester Road
-
2
Turn right onto McMullen Highway Southwest
4.7 mi · 9 min · McMullen Highway Southwest
-
3
Take the ramp slight right
1881 ft · 46 sec
-
4
Merge slight left onto National Freeway
38.5 mi · 43 min · National Freeway
-
5
Continue on Dwight D Eisenhower Highway
4.7 mi · 5 min · Dwight D Eisenhower Highway
-
6
Continue on I 70, US 40 (Dwight D Eisenhower Highway)
3.3 mi · 4 min · I 70, US 40 (Dwight D Eisenhower Highway)
-
7
Continue on Dwight D Eisenhower Highway
43.5 mi · 47 min · Dwight D Eisenhower Highway
-
8
Take the exit slight right toward I 270 South: Washington
2112 ft · 52 sec
-
9
Continue on Eisenhower Memorial Highway
22.9 mi · 29 min · Eisenhower Memorial Highway
-
10
Keep slight left
6.6 mi · 9 min
-
11
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
-
12
Merge slight right onto Capital Beltway
21.9 mi · 29 min · Capital Beltway
-
13
Take the exit slight right toward MD 221A: Capitol Heights, Upper Marlboro
1696 ft · 41 sec
-
14
Keep slight left to continue on East Upper Marlboro, Ritchie - Marlboro Road
628 ft · 15 sec
-
15
Enter the roundabout and take exit 3 toward Ritchie Marlboro Road
87 m · 5 sec · Ritchie Marlboro Road
-
16
Exit the roundabout onto Ritchie Marlboro Road
1594 ft · 27 sec · Ritchie Marlboro Road
-
17
Enter the roundabout and take exit 1 toward Ritchie Marlboro Road
43 m · 2 sec · Ritchie Marlboro Road
-
18
Exit the roundabout onto Ritchie Marlboro Road
1955 ft · 41 sec · Ritchie Marlboro Road
-
19
Continue on Ritchie Marlboro Road
5.2 mi · 9 min · Ritchie Marlboro Road
-
20
Take the ramp straight toward MD 4 South: Prince Frederick
1046 ft · 25 sec
-
21
Merge slight right onto Pennsylvania Avenue
1.3 mi · 2 min · Pennsylvania Avenue
-
22
Continue on Stephanie Roper Highway
4.9 mi · 7 min · Stephanie Roper Highway
-
23
Continue on Southern Maryland Boulevard
10.2 mi · 14 min · Southern Maryland Boulevard
-
24
Continue on North Solomons Island Road
9 mi · 13 min · North Solomons Island Road
-
25
Continue on South Solomons Island Road
12.4 mi · 17 min · South Solomons Island Road
-
26
Turn right onto Pardoe Road
862 ft · 24 sec · Pardoe Road
-
27
Arrive at your destination
0 m · 1 sec · Pardoe Road
Car Route Details
A richer read on the saved driving route between Potomac and Lusby.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D Eisenhower Highway
Continue on Dwight D Eisenhower Highway
43.5 mi · 00h 47m
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 Potomac and Sunny near Lusby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Potomac to Lusby?
The road trip is about 196.2 miles (315.8 km) and usually takes 04h 10m 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?
Ballenger Creek is a useful midpoint, sitting about 97.9 miles from Potomac and 98.3 miles from Lusby.
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 45.3 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 8:38 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.15 one way or $54.29 round trip. Estimated CO2 is about 61.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Potomac and Sunny near Lusby.
Stop Ideas Near Ballenger Creek
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 Ballenger Creek.
Frederick, MD
Frederick Airport, MD
Harpers Ferry
Hagerstown, MD
Flight Path Map
This map shows the direct air route between Potomac and Lusby. Straight-line distance: 150.91 mi (242.87 km).
#1 Potomac
Potomac is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.5675900, -78.8389100 |
| Altitude | 200 |
| Country | United States |
#2 Lusby
Census designated place in Calvert County, Maryland
| Population | 1,835 |
| Coordinates | 38.4106800, -76.4552300 |
| Altitude | 31 |
| Country | United States |
End: Lusby (-76.45523, 38.41068)
Estimated Travel Time
Distance: 316 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 32m |
| 40 mph (64.37 km/h) | 04h 54m |
| 50 mph (80.47 km/h) | 03h 55m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $27.15 | $54.29 |
| Mid-grade | $4.55 | $31.48 | $62.96 |
| Premium | $4.87 | $33.69 | $67.39 |
| Diesel | $6.28 | $43.44 | $86.89 |
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