| Plymouth to Cortona | 903.65 mi (1,454.29 km) |
| Plymouth to Cosenza | 1,251.34 mi (2,013.84 km) |
| Plymouth to Cossato | 657.92 mi (1,058.82 km) |
| Plymouth to Costa Volpino | 726.60 mi (1,169.35 km) |
| Plymouth to Creazzo | 794.56 mi (1,278.73 km) |
| Plymouth to Crema | 726.56 mi (1,169.29 km) |
| Plymouth to Cremona | 749.67 mi (1,206.48 km) |
| Plymouth to Crevalcore | 811.05 mi (1,305.25 km) |
| Plymouth to Crispiano | 1,229.20 mi (1,978.20 km) |
| Plymouth to Crosia | 1,258.48 mi (2,025.33 km) |
| Plymouth to Crotone | 1,295.06 mi (2,084.20 km) |
| Plymouth to Cuneo | 684.58 mi (1,101.72 km) |
| Plymouth to Cuorgne | 644.68 mi (1,037.50 km) |
| Plymouth to Cusano Milanino | 699.35 mi (1,125.50 km) |
| Plymouth to Cutro | 1,292.32 mi (2,079.79 km) |
