| Plymstock to Cortona | 901.15 mi (1,450.26 km) |
| Plymstock to Cosenza | 1,248.84 mi (2,009.82 km) |
| Plymstock to Cossato | 655.41 mi (1,054.78 km) |
| Plymstock to Costa Volpino | 724.09 mi (1,165.31 km) |
| Plymstock to Creazzo | 792.06 mi (1,274.70 km) |
| Plymstock to Crema | 724.05 mi (1,165.25 km) |
| Plymstock to Cremona | 747.16 mi (1,202.44 km) |
| Plymstock to Crevalcore | 808.54 mi (1,301.21 km) |
| Plymstock to Crispiano | 1,226.69 mi (1,974.16 km) |
| Plymstock to Crosia | 1,255.98 mi (2,021.30 km) |
| Plymstock to Crotone | 1,292.57 mi (2,080.18 km) |
| Plymstock to Cuneo | 682.10 mi (1,097.73 km) |
| Plymstock to Cuorgne | 642.17 mi (1,033.48 km) |
| Plymstock to Cusano Milanino | 696.84 mi (1,121.46 km) |
| Plymstock to Cutro | 1,289.82 mi (2,075.77 km) |
