Chat Report Accident Traffic Mount Gretna Traffic 2024-12-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Mount Gretna South Londonderry, PA 3.85 mi Quentin, PA 4.18 mi Cornwall, PA 6.04 mi Interstate highway exits close to Mount Gretna Exit 266, i76 3.43 mi Exit 1, i78 20.34 mi Exit 89, i81 20.34 mi Interstate highways close to Mount Gretna i76 map 3.43 mi i78 map 20.34 mi i81 map 20.34 mi State roads close to Mount Gretna PA 117 map 0.21 mi PA 241 map 2.67 mi PA 72 map 3.24 mi