| Rockville to Carmignano | 4,351.23 mi (7,002.63 km) |
| Rockville to Carovigno | 4,753.52 mi (7,650.05 km) |
| Rockville to Carpenedolo | 4,274.30 mi (6,878.82 km) |
| Rockville to Carpi | 4,312.91 mi (6,940.95 km) |
| Rockville to Carrara | 4,302.57 mi (6,924.31 km) |
| Rockville to Carugate | 4,221.31 mi (6,793.53 km) |
| Rockville to Casal di Principe | 4,586.79 mi (7,381.73 km) |
| Rockville to Casale Monferrato | 4,196.97 mi (6,754.37 km) |
| Rockville to Casale sul Sile | 4,347.11 mi (6,996.00 km) |
| Rockville to Casalecchio di Reno | 4,340.17 mi (6,984.83 km) |
| Rockville to Casalgrande | 4,313.14 mi (6,941.33 km) |
| Rockville to Casalmaggiore | 4,286.06 mi (6,897.75 km) |
| Rockville to Casalnuovo di Napoli | 4,600.04 mi (7,403.05 km) |
| Rockville to Casalpusterlengo | 4,246.93 mi (6,834.78 km) |
| Rockville to Casaluce | 4,590.35 mi (7,387.46 km) |
