| Silver Spring to Cassina de' Pecchi | 4,221.39 mi (6,793.67 km) |
| Silver Spring to Cassino | 4,553.16 mi (7,327.60 km) |
| Silver Spring to Castagneto Carducci | 4,352.44 mi (7,004.57 km) |
| Silver Spring to Castano Primo | 4,194.56 mi (6,750.49 km) |
| Silver Spring to Castel Bolognese | 4,365.58 mi (7,025.73 km) |
| Silver Spring to Castel Gandolfo | 4,492.17 mi (7,229.44 km) |
| Silver Spring to Castel Goffredo | 4,275.95 mi (6,881.48 km) |
| Silver Spring to Castel Maggiore | 4,338.49 mi (6,982.13 km) |
| Silver Spring to Castel Mella | 4,255.46 mi (6,848.51 km) |
| Silver Spring to Castel San Giorgio | 4,617.65 mi (7,431.38 km) |
| Silver Spring to Castel San Giovanni | 4,239.28 mi (6,822.46 km) |
| Silver Spring to Castel San Pietro Terme | 4,353.43 mi (7,006.17 km) |
| Silver Spring to Castel Volturno | 4,573.21 mi (7,359.87 km) |
| Silver Spring to Castelbuono | 4,697.07 mi (7,559.20 km) |
| Silver Spring to Casteldaccia | 4,666.78 mi (7,510.46 km) |
