| Placentia to Cortona | 6,238.63 mi (10,040.11 km) |
| Placentia to Cosenza | 6,591.22 mi (10,607.55 km) |
| Placentia to Cossato | 5,995.55 mi (9,648.90 km) |
| Placentia to Costa Volpino | 6,043.83 mi (9,726.61 km) |
| Placentia to Creazzo | 6,102.81 mi (9,821.53 km) |
| Placentia to Crema | 6,054.78 mi (9,744.23 km) |
| Placentia to Cremona | 6,078.13 mi (9,781.80 km) |
| Placentia to Crevalcore | 6,135.52 mi (9,874.17 km) |
| Placentia to Crispiano | 6,549.84 mi (10,540.96 km) |
| Placentia to Crosia | 6,592.87 mi (10,610.20 km) |
| Placentia to Crotone | 6,630.86 mi (10,671.34 km) |
| Placentia to Cuneo | 6,035.53 mi (9,713.25 km) |
| Placentia to Cuorgne | 5,987.68 mi (9,636.24 km) |
| Placentia to Cusano Milanino | 6,029.26 mi (9,703.16 km) |
| Placentia to Cutro | 6,629.42 mi (10,669.02 km) |
