| Barreiro to Cortona | 1,140.12 mi (1,834.85 km) |
| Barreiro to Cosenza | 1,355.97 mi (2,182.23 km) |
| Barreiro to Cossato | 1,000.75 mi (1,610.55 km) |
| Barreiro to Costa Volpino | 1,094.28 mi (1,761.08 km) |
| Barreiro to Creazzo | 1,151.09 mi (1,852.50 km) |
| Barreiro to Crema | 1,064.58 mi (1,713.28 km) |
| Barreiro to Cremona | 1,075.62 mi (1,731.04 km) |
| Barreiro to Crevalcore | 1,119.95 mi (1,802.39 km) |
| Barreiro to Crispiano | 1,400.59 mi (2,254.03 km) |
| Barreiro to Crosia | 1,381.48 mi (2,223.28 km) |
| Barreiro to Crotone | 1,403.82 mi (2,259.22 km) |
| Barreiro to Cuneo | 943.66 mi (1,518.67 km) |
| Barreiro to Cuorgne | 972.93 mi (1,565.79 km) |
| Barreiro to Cusano Milanino | 1,046.10 mi (1,683.53 km) |
| Barreiro to Cutro | 1,397.11 mi (2,248.43 km) |
