| Rockville Centre to Castelfidardo | 4,257.61 mi (6,851.97 km) |
| Rockville Centre to Castelfiorentino | 4,140.93 mi (6,664.18 km) |
| Rockville Centre to Castelfranco di Sopra | 4,165.92 mi (6,704.40 km) |
| Rockville Centre to Castelfranco di Sotto | 4,128.10 mi (6,643.54 km) |
| Rockville Centre to Castelfranco Emilia | 4,111.27 mi (6,616.45 km) |
| Rockville Centre to Castelfranco Veneto | 4,113.39 mi (6,619.86 km) |
| Rockville Centre to Castellabate | 4,434.56 mi (7,136.74 km) |
| Rockville Centre to Castellammare del Golfo | 4,424.93 mi (7,121.24 km) |
| Rockville Centre to Castellammare di Stabia | 4,398.20 mi (7,078.22 km) |
| Rockville Centre to Castellamonte | 3,941.54 mi (6,343.29 km) |
| Rockville Centre to Castellana Grotte | 4,509.27 mi (7,256.97 km) |
| Rockville Centre to Castellaneta | 4,508.57 mi (7,255.85 km) |
| Rockville Centre to Castellanza | 3,985.51 mi (6,414.06 km) |
| Rockville Centre to Castellarano | 4,100.64 mi (6,599.34 km) |
| Rockville Centre to Castelleone | 4,032.76 mi (6,490.10 km) |
