Cornerstones 2024-12-27 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Cornerstones Rockfall, CT 3.45 mi Portland, CT 6.27 mi Middlefield, CT 6.34 miInterstate highway exits close to Cornerstones Exit 20, i91 5.42 mi Exit 21, i91 6.58 mi Exit , i691ct 7.47 miInterstate highways close to Cornerstones i91 map 5.42 mi i691ct map 7.47 mi i84 map 18.57 miState roads close to Cornerstones CT 3 map 0.61 mi CT 157 map 0.79 mi CT 17 map 1.15 mi