How far is Bristol, PA from Mercersburg, PA?
The driving distance from Bristol, PA to Mercersburg, PA is about 191 miles (307.4 km), with a travel time of about 03h 47m by car.
- The straight-line flight distance is about 162.7 miles (261.8 km).
- For a round trip, plan for roughly 07h 34m 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 47m.
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.
Borough in southwestern Lebanon County, Pennsylvania
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 Bristol and Mercersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bristol and Mercersburg.
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1
Start on the route
48 m · 14 sec
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2
Turn right onto Washington Street
154 m · 28 sec · Washington Street
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3
Turn left onto Wood Street
742 ft · 38 sec · Wood Street
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4
Turn left onto Jefferson Avenue
1 km · 2 min · Jefferson Avenue
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5
At the end of the road, turn right onto Beaver Street
852 ft · 31 sec · Beaver Street
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6
Turn slight right onto Bristol Pike
1 km · 1 min · Bristol Pike
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7
Turn left onto Pennsylvania Turnpike
3187 ft · 1 min · Pennsylvania Turnpike
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8
Keep slight left to continue on I 95 South: Philadelphia, Harrisburg
2266 ft · 1 min
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9
Merge slight left onto Pennsylvania Turnpike
1.2 mi · 2 min · Pennsylvania Turnpike
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10
Keep slight left to continue on Pennsylvania Turnpike
129.9 mi · 2 hr 21 min · Pennsylvania Turnpike
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11
Take the exit slight right toward I 81, US 11: Carlisle, Chambersburg
2805 ft · 1 min
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12
Keep slight right to continue on US 11 South: Carlisle
157 m · 17 sec
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13
Turn straight onto Harrisburg Pike
1.9 mi · 4 min · Harrisburg Pike
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14
Continue on North Hanover Street
1.2 km · 2 min · North Hanover Street
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15
Turn right onto West North Street
1331 ft · 42 sec · West North Street
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16
Turn left onto North West Street
1.1 km · 2 min · North West Street
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17
Turn slight right onto Walnut Bottom Road
1.3 km · 1 min · Walnut Bottom Road
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18
Take the ramp slight right
1183 ft · 29 sec
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19
Merge slight left
40.5 mi · 47 min
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20
Take the exit slight right toward PA 16: Waynesboro, Greencastle
1052 ft · 34 sec
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21
Turn right onto Buchanan Trail East
1127 ft · 27 sec · Buchanan Trail East
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22
Continue on East Baltimore Street
1.5 km · 3 min · East Baltimore Street
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23
Continue on Buchanan Trail West
9.6 mi · 14 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 Bristol and Mercersburg.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pennsylvania Turnpike
Keep slight left to continue on Pennsylvania Turnpike
130 mi · 02h 21m
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 Bristol and Sunny near Mercersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bristol to Mercersburg?
The road trip is about 191 miles (307.4 km) and usually takes 03h 47m 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?
Mount Gretna is a useful midpoint, sitting about 95.3 miles from Bristol and 95.6 miles from Mercersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 162.7 miles (261.8 km), while the road route adds roughly 28.3 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 EDT. If you want a more comfortable same-day return, try to leave by 9:26 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.30 one way or $58.59 round trip. Estimated CO2 is about 63.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bristol and Sunny near Mercersburg.
Stop Ideas Near Mount Gretna
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 Mount Gretna.
Mount Joy
Elizabethtown station
Middletown
Lancaster station
Flight Path Map
This map shows the direct air route between Bristol and Mercersburg. Straight-line distance: 162.68 mi (261.81 km).
#1 Bristol
The most populous city in Bucks County, Pennsylvania.
| Population | 53,311 |
| Coordinates | 40.1006700, -74.8518300 |
| Altitude | 6 |
| 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: 307 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 21m |
| 40 mph (64.37 km/h) | 04h 46m |
| 50 mph (80.47 km/h) | 03h 49m |
| 60 mph (96.56 km/h) | 03h 10m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $29.30 | $58.59 |
| Mid-grade | $4.60 | $32.97 | $65.95 |
| Premium | $4.95 | $35.52 | $71.04 |
| Diesel | $5.98 | $42.88 | $85.75 |
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 Pennsylvania · Apr 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.