| San Pietro in Casale to Caguas (Puerto Rico) | 4,731.23 mi (7,614.17 km) |
| San Pietro in Casale to Cahokia (Illinois) | 4,899.88 mi (7,885.59 km) |
| San Pietro in Casale to Calabasas (California) | 6,154.96 mi (9,905.46 km) |
| San Pietro in Casale to Caldwell (Idaho) | 5,548.59 mi (8,929.60 km) |
| San Pietro in Casale to Caledonia (Wisconsin) | 4,615.90 mi (7,428.58 km) |
| San Pietro in Casale to Calera (Alabama) | 5,011.99 mi (8,066.02 km) |
| San Pietro in Casale to Calexico (California) | 6,136.47 mi (9,875.70 km) |
| San Pietro in Casale to Calhoun (Georgia) | 4,871.80 mi (7,840.40 km) |
| San Pietro in Casale to California (Maryland) | 4,342.12 mi (6,987.96 km) |
| San Pietro in Casale to California City (California) | 6,071.18 mi (9,770.62 km) |
| San Pietro in Casale to Callaway (Florida) | 5,100.39 mi (8,208.29 km) |
| San Pietro in Casale to Calumet City (Illinois) | 4,656.24 mi (7,493.50 km) |
| San Pietro in Casale to Calverton (Maryland) | 4,330.07 mi (6,968.58 km) |
| San Pietro in Casale to Camano (Washington) | 5,438.12 mi (8,751.81 km) |
| San Pietro in Casale to Camarillo (California) | 6,161.27 mi (9,915.60 km) |
