How far is Fairfax Station, VA from Mercersburg, PA?
The driving distance from Fairfax Station, VA to Mercersburg, PA is about 98.2 miles (158 km), with a travel time of about 02h 13m by car.
- The straight-line flight distance is about 77.4 miles (124.5 km).
- For a round trip, plan for roughly 04h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 in Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Fairfax Station and Mercersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fairfax Station and Mercersburg.
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1
Start on Ox Road
758 ft · 17 sec · Ox Road
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2
Turn right onto Burke Centre Parkway
45 m · 8 sec · Burke Centre Parkway
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3
Continue on Burke Centre Parkway
57 m · 14 sec · Burke Centre Parkway
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4
Turn left onto Ox Road
2.9 mi · 5 min · Ox Road
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5
Continue on Chain Bridge Road
2 mi · 5 min · Chain Bridge Road
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6
Take the ramp slight right toward I 66 East: Washington
1.1 km · 1 min
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7
Merge slight left
4.1 mi · 5 min
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8
Take the exit slight right toward I 495 North: Tysons Corner, Baltimore
3015 ft · 1 min
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9
Merge slight left onto Capital Beltway
9.7 mi · 11 min · Capital Beltway
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10
Keep slight left to continue on I 270: Rockville, Frederick
3.1 mi · 4 min
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11
Keep slight left to continue on I 270 North
7 mi · 10 min
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12
Take the exit slight right toward MD 117, MD 124 North: Clopper Road, West Diamond Avenue, Montgomery Village Avenue, Quince Orchard Road, Watkins Mill Road
1052 ft · 16 sec
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13
Merge slight right
21 mi · 26 min
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14
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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15
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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16
Merge slight right
28.6 mi · 31 min
-
17
Take the exit slight right toward MD 63: Williamsport, Huyett
1026 ft · 25 sec
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18
Keep slight right to continue on MD 63 North: Huyett, Hagerstown Speedway
157 m · 13 sec
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19
Turn straight onto Greencastle Pike
5.1 mi · 8 min · Greencastle Pike
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20
Enter the roundabout and take exit 3 toward Cearfoss Pike
59 m · 4 sec · Cearfoss Pike
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21
Exit the roundabout onto Cearfoss Pike
2.1 mi · 4 min · Cearfoss Pike
-
22
Continue on Mercersburg Road
7.4 mi · 13 min · Mercersburg Road
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23
At the end of the road, turn left onto Buchanan Trail West
2 mi · 3 min · Buchanan Trail West
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24
Continue on South Main Street
1946 ft · 1 min · South Main Street
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25
Turn right onto East Seminary Street
71 m · 15 sec · East Seminary Street
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26
Turn right onto JEB Stuart Alley
38 m · 9 sec · JEB Stuart Alley
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27
Arrive at your destination
0 m · 1 sec · JEB Stuart Alley
Car Route Details
A richer read on the saved driving route between Fairfax Station and Mercersburg.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 70 West
Merge slight right
28.6 mi · 00h 31m
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.
Rain Showers Likely leaving Fairfax Station and Chance Rain Showers near Mercersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fairfax Station to Mercersburg?
The road trip is about 98.2 miles (158 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?
Ballenger Creek is a useful midpoint, sitting about 49 miles from Fairfax Station and 49.2 miles from Mercersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 77.4 miles (124.5 km), while the road route adds roughly 20.8 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 EDT. If you want a more comfortable same-day return, try to leave by 2:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.36 one way or $28.72 round trip. Estimated CO2 is about 30.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Fairfax Station and Chance Rain Showers near Mercersburg.
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 Fairfax Station and Mercersburg. Straight-line distance: 77.39 mi (124.54 km).
#1 Fairfax Station
Fairfax Station is a place in Virginia, United States.
| Population | 0 |
| Coordinates | 38.8009500, -77.3255400 |
| Altitude | 122 |
| Country | United States |
#2 Mercersburg
Borough of Pennsylvania
| Population | 1,527 |
| Coordinates | 39.8278700, -77.9033300 |
| Altitude | 173 |
| Country | United States |
End: Mercersburg (-77.90333, 39.82787)
Estimated Travel Time
Distance: 158 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 16m |
| 40 mph (64.37 km/h) | 02h 27m |
| 50 mph (80.47 km/h) | 01h 57m |
| 60 mph (96.56 km/h) | 01h 38m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.14 | $14.36 | $28.72 |
| Mid-grade | $4.63 | $16.07 | $32.15 |
| Premium | $5.01 | $17.40 | $34.79 |
| Diesel | $6.21 | $21.56 | $43.11 |
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 Virginia · Oct 15, 2026