South Londonderry Pennsylvania Traffic 2024-12-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to South Londonderry Pennsylvania Lawn, PA 2.91 mi Mount Gretna, PA 3.85 mi Campbelltown, PA 7.47 miInterstate highway exits close to South Londonderry Pennsylvania Exit 266, i76 6.53 mi Exit 80, i81 20.23 mi Exit 85b a, i81 20.48 miInterstate highways close to South Londonderry Pennsylvania i76 map 6.53 mi i81 map 20.23 mi i78 map 20.94 miState roads close to South Londonderry Pennsylvania PA 117 map 0.08 mi PA 241 map 0.24 mi PA 341 map 1.49 mi