Great Seneca Sunoco 2024-12-21 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Great Seneca Sunoco Boyds, MD 4.78 mi Gaithersburg, MD 5.68 mi Bethesda, MD 6.54 miInterstate highway exits close to Great Seneca Sunoco Exit 15b a, i270md 2.43 mi Exit 13b a, i270md 2.55 mi Exit 16, i270md 3.27 miInterstate highways close to Great Seneca Sunoco i270md map 2.43 mi i495md map 20.57 mi i495va map 20.57 miState roads close to Great Seneca Sunoco MD 118 map 0.22 mi MD 119 map 0.55 mi MD 117 map 1.00 mi