| Piacenza to Carson (California) | 6,087.11 mi (9,796.26 km) |
| Piacenza to Carson City (Nevada) | 5,826.90 mi (9,377.50 km) |
| Piacenza to Carteret (New Jersey) | 4,066.62 mi (6,544.59 km) |
| Piacenza to Cartersville (Georgia) | 4,796.26 mi (7,718.83 km) |
| Piacenza to Carthage (Missouri) | 5,049.67 mi (8,126.65 km) |
| Piacenza to Cary (Illinois) | 4,575.71 mi (7,363.90 km) |
| Piacenza to Cary (North Carolina) | 4,464.83 mi (7,185.45 km) |
| Piacenza to Casa de Oro-Mount Helix (California) | 6,106.66 mi (9,827.72 km) |
| Piacenza to Casa Grande (Arizona) | 5,921.58 mi (9,529.86 km) |
| Piacenza to Casas Adobes (Arizona) | 5,926.07 mi (9,537.09 km) |
| Piacenza to Cascades (Virginia) | 4,264.76 mi (6,863.46 km) |
| Piacenza to Casper (Wyoming) | 5,201.80 mi (8,371.50 km) |
| Piacenza to Casselberry (Florida) | 4,893.74 mi (7,875.72 km) |
| Piacenza to Castaic (California) | 6,062.04 mi (9,755.92 km) |
| Piacenza to Castle Pines (Colorado) | 5,328.07 mi (8,574.71 km) |
