| Sumter to Carmignano | 4,710.22 mi (7,580.37 km) |
| Sumter to Carovigno | 5,111.86 mi (8,226.75 km) |
| Sumter to Carpenedolo | 4,637.12 mi (7,462.72 km) |
| Sumter to Carpi | 4,674.54 mi (7,522.95 km) |
| Sumter to Carrara | 4,661.31 mi (7,501.66 km) |
| Sumter to Carugate | 4,583.54 mi (7,376.50 km) |
| Sumter to Casal di Principe | 4,941.40 mi (7,952.42 km) |
| Sumter to Casale Monferrato | 4,557.10 mi (7,333.94 km) |
| Sumter to Casale sul Sile | 4,712.50 mi (7,584.03 km) |
| Sumter to Casalecchio di Reno | 4,701.38 mi (7,566.14 km) |
| Sumter to Casalgrande | 4,674.05 mi (7,522.15 km) |
| Sumter to Casalmaggiore | 4,647.79 mi (7,479.89 km) |
| Sumter to Casalnuovo di Napoli | 4,954.64 mi (7,973.73 km) |
| Sumter to Casalpusterlengo | 4,608.41 mi (7,416.52 km) |
| Sumter to Casaluce | 4,945.00 mi (7,958.21 km) |
