| Silver Spring to Castrovillari | 4,720.28 mi (7,596.55 km) |
| Silver Spring to Catania | 4,758.74 mi (7,658.45 km) |
| Silver Spring to Catanzaro | 4,773.15 mi (7,681.64 km) |
| Silver Spring to Cattolica | 4,417.76 mi (7,109.70 km) |
| Silver Spring to Cava de' Tirreni | 4,620.73 mi (7,436.34 km) |
| Silver Spring to Cavallino | 4,788.96 mi (7,707.09 km) |
| Silver Spring to Cavarzere | 4,349.84 mi (7,000.39 km) |
| Silver Spring to Cave | 4,502.10 mi (7,245.43 km) |
| Silver Spring to Cavriago | 4,298.16 mi (6,917.23 km) |
| Silver Spring to Cavriglia | 4,379.15 mi (7,047.56 km) |
| Silver Spring to Cazzago San Martino | 4,247.51 mi (6,835.70 km) |
| Silver Spring to Ceccano | 4,528.71 mi (7,288.25 km) |
| Silver Spring to Cecina | 4,343.71 mi (6,990.52 km) |
| Silver Spring to Cefalu | 4,689.50 mi (7,547.02 km) |
| Silver Spring to Ceglie Messapico | 4,745.59 mi (7,637.29 km) |
