| Piacenza to Corinth (Mississippi) | 4,917.78 mi (7,914.41 km) |
| Piacenza to Corinth (Texas) | 5,355.39 mi (8,618.67 km) |
| Piacenza to Cornelius (North Carolina) | 4,568.28 mi (7,351.93 km) |
| Piacenza to Cornelius (Oregon) | 5,546.46 mi (8,926.16 km) |
| Piacenza to Corning (New York) | 4,124.78 mi (6,638.19 km) |
| Piacenza to Corona (California) | 6,063.52 mi (9,758.29 km) |
| Piacenza to Coronado (California) | 6,118.61 mi (9,846.96 km) |
| Piacenza to Corpus Christi (Texas) | 5,639.89 mi (9,076.52 km) |
| Piacenza to Corsicana (Texas) | 5,383.93 mi (8,664.61 km) |
| Piacenza to Cortland (New York) | 4,070.11 mi (6,550.21 km) |
| Piacenza to Corvallis (Oregon) | 5,608.09 mi (9,025.35 km) |
| Piacenza to Coshocton (Ohio) | 4,402.33 mi (7,084.87 km) |
| Piacenza to Costa Mesa (California) | 6,085.90 mi (9,794.31 km) |
| Piacenza to Coto de Caza (California) | 6,079.38 mi (9,783.81 km) |
| Piacenza to Cottage Grove (Minnesota) | 4,635.54 mi (7,460.18 km) |
