Potomac Heritage National Scenic Trail
National Scenic Trail
The Potomac River corridor is rich in both history and recreation, offering a chance to both explore your heritage and choose your adventure along the way. Start your journey here!
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Drive Time
42m
Distance
26.1 mi
42 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
None
0 DC fast
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Buckhall, VA
Eric Joseph
McLean, VA
Wikimedia Commons
This 26.1-mile drive from Buckhall, VA, to McLean, VA, is a short trip that can easily be completed in about 42 minutes. It's a straightforward journey, primarily utilizing I-66 and the Capital Beltway, making it a convenient option for a single-day trip with no need for an overnight stay. The estimated fuel cost for this route is around $4, reflecting its manageable distance. You'll be traveling within the Southeast region of Virginia for the entire duration. This drive offers a practical way to navigate between these two locations without significant time commitment.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
13 miles from Buckhall, VA
A natural place for your longest stop of the day , about 22m into the drive .
Loading map...
Expect a mixed driving experience on this route, with 47% of the journey on highways. You'll encounter stretches of I-66, which will provide the longest uninterrupted driving segment at 11.2 miles. The drive transitions between interstate travel and local roads like Centreville Road, offering a blend of faster-paced driving and more controlled sections. This variety means you won't be stuck in a monotonous highway grind for the entire trip, as the road character shifts throughout the 42-minute travel time.
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.4 miles in near Liberia Avenue.
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 10 significant decision points across 26.1 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 1.4 miles (Liberia Avenue): Lane positioning matters here; at 9.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 9.5 miles (I 66): Merge point - match speed before joining. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto Liberia Avenue
Lane positioning matters here
Take the exit toward I 66 East: Washington
Exit ramp - move to the correct lane early. Lane positioning matters here
Merge onto I 66
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward I 495 North: Tysons Corner, Baltimore
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit toward VA 123 North: McLean
Exit ramp - move to the correct lane early. Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Buckhall, VA to McLean, VA, road signs begin pointing toward Baltimore along the way.
Baltimore
| Road | Distance | Duration |
|---|---|---|
| I 66 | 11.2 mi | 13m |
| Centreville Road | 5.5 mi | 10m |
| Capital Beltway | 2.2 mi | 2m |
| Dolley Madison Boulevard | 1.7 mi | 4m |
| Liberia Avenue | 1.7 mi | 4m |
| Prince William Parkway | 1.1 mi | 1m |
| Sully Road | 0.5 mi | <1m |
| Old Dominion Drive | 0.5 mi | 1m |
Step-by-step road directions between Buckhall, VA and McLean, VA.
Start on SR 662
Turn left onto VA 294
Turn right onto Liberia Avenue
Turn right onto VA 28
Continue on VA 28
Take the exit
Merge onto I 66
Take the exit
Merge onto I 495
Take the exit
Turn straight onto VA 123
Turn right onto VA 309
Turn sharp left onto Elm Street
Arrive at destination
Given the short 42-minute duration, this drive offers considerable flexibility, so you can depart at your convenience. The $4 fuel cost is minimal, but it’s always wise to start with a full tank to avoid any last-minute stops. The longest stretch you'll cover without a significant change in road is 11.2 miles on I-66, so plan your breaks accordingly if you prefer more frequent pauses. Keep an eye on traffic conditions, especially as you approach the Capital Beltway, as this area can experience congestion.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 26.1 miles or 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 13 miles or 22m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 34m
Traffic, exits, and arrival timing usually matter more near McLean, VA than in the middle of the route.
Open the route before leaving Buckhall, VA so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Buckhall, VA
This is one driving day of about 26.1 miles and 42m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 13 mi from Buckhall, VA · 22m into the drive
Mid-route town
Meal stop
13 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 26.1 miles helps settle the day before fatigue starts building.
The midpoint is around 13 miles from Buckhall, VA, which is a good place for a longer meal and fuel stop.
The final approach into McLean, VA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around McLean, VA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Worth a detour if your schedule allows.
National Scenic Trail
The Potomac River corridor is rich in both history and recreation, offering a chance to both explore your heritage and choose your adventure along the way. Start your journey here!
Park data from the National Park Service API. Alerts update every 2 hours.
Regular Gas
$4.08 one way
$8.16 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.34 | $4.46 | $8.93 |
| premium | $4.70 | $4.83 | $9.66 |
| diesel | $5.61 | $5.76 | $11.53 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$4
Meals
$25–$50
Total
$29–$54
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 9.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.8 | 0 | $2.74 | $1.25 |
| Efficient EV | 6.5 | 0 | $2.28 | $1.04 |
| EV Truck/SUV | 10.4 | 0 | $3.65 | $1.67 |
Gas CO2
9 kg
EV CO2
3 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Morning in Buckhall on Wednesday
Local time
7:01 AM
EDT
Current temp
85°F
Unavailable
Destination
Morning in McLean on Wednesday
Local time
7:01 AM
EDT
Current temp
69°F
Unavailable
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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