Derwood Maryland Traffic 2024-12-16 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Derwood Maryland Washington Grove, MD 2.42 mi Gaithersburg, MD 3.22 mi Rockville, MD 4.67 miInterstate highway exits close to Derwood Maryland Exit 8, i270md 4.02 mi Exit 9b a, i270md 4.35 mi Exit 10, i270md 5.49 miInterstate highways close to Derwood Maryland i270md map 4.02 mi i495md map 13.13 mi i495va map 13.13 miState roads close to Derwood Maryland MD 115 map 1.49 mi MD 355 map 2.27 mi MD 200 map 2.93 mi