| Rockville to Cassina de' Pecchi | 4,223.81 mi (6,797.56 km) |
| Rockville to Cassino | 4,555.90 mi (7,332.01 km) |
| Rockville to Castagneto Carducci | 4,355.14 mi (7,008.92 km) |
| Rockville to Castano Primo | 4,197.01 mi (6,754.43 km) |
| Rockville to Castel Bolognese | 4,368.04 mi (7,029.69 km) |
| Rockville to Castel Gandolfo | 4,494.95 mi (7,233.92 km) |
| Rockville to Castel Goffredo | 4,278.34 mi (6,885.32 km) |
| Rockville to Castel Maggiore | 4,340.94 mi (6,986.06 km) |
| Rockville to Castel Mella | 4,257.84 mi (6,852.33 km) |
| Rockville to Castel San Giorgio | 4,620.43 mi (7,435.86 km) |
| Rockville to Castel San Giovanni | 4,241.76 mi (6,826.46 km) |
| Rockville to Castel San Pietro Terme | 4,355.89 mi (7,010.13 km) |
| Rockville to Castel Volturno | 4,576.01 mi (7,364.37 km) |
| Rockville to Castelbuono | 4,700.28 mi (7,564.37 km) |
| Rockville to Casteldaccia | 4,670.02 mi (7,515.67 km) |
