Johnston House 2024-12-20 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnston House Callery, PA 4.90 mi Warrendale, PA 6.30 mi Cranberry, PA 6.59 miInterstate highway exits close to Johnston House Exit 78, i79 5.34 mi Exit 77, i79 5.68 mi Exit 28, i76 6.24 miInterstate highways close to Johnston House i79 map 5.34 mi i76 map 6.24 mi ioh map 47.48 miState roads close to Johnston House PA BELT RED map 3.06 mi PA 228 map 4.14 mi US 19 PA map 5.83 mi