Grantham Pennsylvania Traffic 2024-12-22 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Grantham Pennsylvania Bowmansdale, PA 2.13 mi Mechanicsburg, PA 6.93 mi Dillsburg, PA 7.12 miInterstate highway exits close to Grantham Pennsylvania Exit 236, i76 4.94 mi Exit 39b, i83 11.85 mi Exit 39a, i83 11.88 miInterstate highways close to Grantham Pennsylvania i76 map 4.94 mi i83 map 11.85 mi i81 map 13.45 miState roads close to Grantham Pennsylvania US 15 PA map 0.97 mi PA 114 map 2.81 mi PA 74 map 5.04 mi