Duncannon Pennsylvania Traffic 2024-12-28 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Duncannon Pennsylvania New Buffalo, PA 8.02 mi Marysville, PA 9.48 mi Dauphin, PA 9.54 miInterstate highway exits close to Duncannon Pennsylvania Exit 61, i81 13.19 mi Exit 65, i81 13.43 mi Exit 59, i81 14.31 miInterstate highways close to Duncannon Pennsylvania i81 map 13.19 mi i83 map 19.78 mi i76 map 21.86 miState roads close to Duncannon Pennsylvania US 15 PA map 1.07 mi PA 274 map 1.32 mi US 322 PA map 1.86 mi