| Rio Maior to Chivasso | 948.12 mi (1,525.85 km) |
| Rio Maior to Ciampino | 1,139.91 mi (1,834.51 km) |
| Rio Maior to Cicciano | 1,240.70 mi (1,996.71 km) |
| Rio Maior to Cingoli | 1,178.36 mi (1,896.38 km) |
| Rio Maior to Cinisello Balsamo | 1,017.21 mi (1,637.04 km) |
| Rio Maior to Cinisi | 1,187.05 mi (1,910.37 km) |
| Rio Maior to Cirie | 936.00 mi (1,506.35 km) |
| Rio Maior to Ciro Marina | 1,387.51 mi (2,232.98 km) |
| Rio Maior to Cislago | 1,008.02 mi (1,622.25 km) |
| Rio Maior to Cisterna di Latina | 1,151.44 mi (1,853.06 km) |
| Rio Maior to Cisternino | 1,392.97 mi (2,241.77 km) |
| Rio Maior to Citta di Castello | 1,130.63 mi (1,819.57 km) |
| Rio Maior to Citta Sant'Angelo | 1,215.91 mi (1,956.82 km) |
| Rio Maior to Cittadella | 1,137.96 mi (1,831.37 km) |
| Rio Maior to Cittanova | 1,343.70 mi (2,162.48 km) |
