| Sumter to Cassina de' Pecchi | 4,585.98 mi (7,380.42 km) |
| Sumter to Cassino | 4,911.53 mi (7,904.34 km) |
| Sumter to Castagneto Carducci | 4,711.74 mi (7,582.81 km) |
| Sumter to Castano Primo | 4,558.68 mi (7,336.48 km) |
| Sumter to Castel Bolognese | 4,729.34 mi (7,611.13 km) |
| Sumter to Castel Gandolfo | 4,849.80 mi (7,805.00 km) |
| Sumter to Castel Goffredo | 4,641.01 mi (7,468.99 km) |
| Sumter to Castel Maggiore | 4,702.47 mi (7,567.90 km) |
| Sumter to Castel Mella | 4,620.75 mi (7,436.38 km) |
| Sumter to Castel San Giorgio | 4,975.10 mi (8,006.66 km) |
| Sumter to Castel San Giovanni | 4,602.65 mi (7,407.25 km) |
| Sumter to Castel San Pietro Terme | 4,717.19 mi (7,591.58 km) |
| Sumter to Castel Volturno | 4,930.43 mi (7,934.76 km) |
| Sumter to Castelbuono | 5,045.52 mi (8,119.98 km) |
| Sumter to Casteldaccia | 5,014.76 mi (8,070.48 km) |
