| San Sebastiano al Vesuvio to Caguas (Puerto Rico) | 4,910.74 mi (7,903.07 km) |
| San Sebastiano al Vesuvio to Cahokia (Illinois) | 5,181.12 mi (8,338.20 km) |
| San Sebastiano al Vesuvio to Calabasas (California) | 6,457.85 mi (10,392.90 km) |
| San Sebastiano al Vesuvio to Caldwell (Idaho) | 5,854.06 mi (9,421.19 km) |
| San Sebastiano al Vesuvio to Caledonia (Wisconsin) | 4,901.63 mi (7,888.41 km) |
| San Sebastiano al Vesuvio to Calera (Alabama) | 5,278.49 mi (8,494.91 km) |
| San Sebastiano al Vesuvio to Calexico (California) | 6,436.44 mi (10,358.45 km) |
| San Sebastiano al Vesuvio to Calhoun (Georgia) | 5,138.44 mi (8,269.52 km) |
| San Sebastiano al Vesuvio to California (Maryland) | 4,605.30 mi (7,411.52 km) |
| San Sebastiano al Vesuvio to California City (California) | 6,374.07 mi (10,258.08 km) |
| San Sebastiano al Vesuvio to Callaway (Florida) | 5,358.56 mi (8,623.77 km) |
| San Sebastiano al Vesuvio to Calumet City (Illinois) | 4,939.70 mi (7,949.67 km) |
| San Sebastiano al Vesuvio to Calverton (Maryland) | 4,595.73 mi (7,396.11 km) |
| San Sebastiano al Vesuvio to Camano (Washington) | 5,744.64 mi (9,245.11 km) |
| San Sebastiano al Vesuvio to Camarillo (California) | 6,464.39 mi (10,403.43 km) |
