| Allen Park to Castrovillari | 4,854.86 mi (7,813.14 km) |
| Allen Park to Catania | 4,909.62 mi (7,901.26 km) |
| Allen Park to Catanzaro | 4,911.54 mi (7,904.36 km) |
| Allen Park to Cattolica | 4,538.60 mi (7,304.17 km) |
| Allen Park to Cava de' Tirreni | 4,754.97 mi (7,652.39 km) |
| Allen Park to Cavallino | 4,914.43 mi (7,909.01 km) |
| Allen Park to Cavarzere | 4,465.33 mi (7,186.25 km) |
| Allen Park to Cave | 4,635.20 mi (7,459.64 km) |
| Allen Park to Cavriago | 4,420.64 mi (7,114.33 km) |
| Allen Park to Cavriglia | 4,506.28 mi (7,252.15 km) |
| Allen Park to Cazzago San Martino | 4,365.80 mi (7,026.07 km) |
| Allen Park to Ceccano | 4,662.08 mi (7,502.90 km) |
| Allen Park to Cecina | 4,474.78 mi (7,201.47 km) |
| Allen Park to Cefalu | 4,840.85 mi (7,790.60 km) |
| Allen Park to Ceglie Messapico | 4,871.42 mi (7,839.79 km) |
