| Piacenza to Clarkston (Georgia) | 4,788.12 mi (7,705.73 km) |
| Piacenza to Clarksville (Indiana) | 4,649.42 mi (7,482.52 km) |
| Piacenza to Clarksville (Tennessee) | 4,793.98 mi (7,715.16 km) |
| Piacenza to Clawson (Michigan) | 4,359.15 mi (7,015.38 km) |
| Piacenza to Clay (Alabama) | 4,895.30 mi (7,878.23 km) |
| Piacenza to Clayton (California) | 5,960.91 mi (9,593.16 km) |
| Piacenza to Clayton (Missouri) | 4,820.35 mi (7,757.61 km) |
| Piacenza to Clayton (North Carolina) | 4,453.90 mi (7,167.86 km) |
| Piacenza to Clayton (Ohio) | 4,521.78 mi (7,277.10 km) |
| Piacenza to Clearfield (Utah) | 5,480.42 mi (8,819.88 km) |
| Piacenza to Clearlake (California) | 5,921.10 mi (9,529.10 km) |
| Piacenza to Clearwater (Florida) | 4,990.50 mi (8,031.44 km) |
| Piacenza to Cleburne (Texas) | 5,408.60 mi (8,704.30 km) |
| Piacenza to Clemmons (North Carolina) | 4,522.32 mi (7,277.97 km) |
| Piacenza to Clemson (South Carolina) | 4,687.01 mi (7,543.01 km) |
