| Lake Ronkonkoma to Cassina de' Pecchi | 3,979.63 mi (6,404.59 km) |
| Lake Ronkonkoma to Cassino | 4,310.86 mi (6,937.67 km) |
| Lake Ronkonkoma to Castagneto Carducci | 4,110.19 mi (6,614.71 km) |
| Lake Ronkonkoma to Castano Primo | 3,952.74 mi (6,361.32 km) |
| Lake Ronkonkoma to Castel Bolognese | 4,123.74 mi (6,636.52 km) |
| Lake Ronkonkoma to Castel Gandolfo | 4,249.83 mi (6,839.43 km) |
| Lake Ronkonkoma to Castel Goffredo | 4,034.26 mi (6,492.51 km) |
| Lake Ronkonkoma to Castel Maggiore | 4,096.67 mi (6,592.95 km) |
| Lake Ronkonkoma to Castel Mella | 4,013.80 mi (6,459.58 km) |
| Lake Ronkonkoma to Castel San Giorgio | 4,375.30 mi (7,041.37 km) |
| Lake Ronkonkoma to Castel San Giovanni | 3,997.37 mi (6,433.15 km) |
| Lake Ronkonkoma to Castel San Pietro Terme | 4,111.59 mi (6,616.96 km) |
| Lake Ronkonkoma to Castel Volturno | 4,330.85 mi (6,969.83 km) |
| Lake Ronkonkoma to Castelbuono | 4,454.60 mi (7,168.99 km) |
| Lake Ronkonkoma to Casteldaccia | 4,424.33 mi (7,120.27 km) |
