Distance between cities › USA › Pennsylvania › Mercersburg, PA › Distance from Mercersburg to Big Spring Book Hotels

Distance from Mercersburg, PA to Big Spring, MD

Distance

17 mi

Time

30 minutes

Gas Cost

$2 - $3

There are 13.86 miles from Mercersburg to Big Spring in south direction and 17 miles (27.36 kilometers) by car, following the PA 75 route.

Mercersburg and Big Spring are 30 minutes far apart, if you drive non-stop .

This is the fastest route from Mercersburg, PA to Big Spring, MD.

Mercersburg, PA and Big Spring, MD are in the same time zone (EDT). Current time in both locations is 3:38 am.

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Lowest Price Rental Cars in Mercersburg, PA

Planning on renting a car to go from Mercersburg, PA to Big Spring, MD? Here there are some offers to rent a car in Mercersburg, PA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mercersburg »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.69 gallons of gas to cover the route between Mercersburg, PA and Big Spring, MD.

The estimated cost of gas to go from Mercersburg to Big Spring is $2.42.

During the route, an average car will release 13.45 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.52 per gallon of regular gas. Price last updated on March 18, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mercersburg, PA and Big Spring, MD

If you want to meet halfway between Mercersburg, PA and Big Spring, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.706779 and -77.885872, or 39º 42' 24.4044" N, 77º 53' 9.1392" W. This location is 8.54 miles away from Mercersburg, PA and Big Spring, MD and it would take approximately 15 minutes to reach the halfway point from both locations.