| Rio Maior to Cortona | 1,116.28 mi (1,796.49 km) |
| Rio Maior to Cosenza | 1,341.76 mi (2,159.36 km) |
| Rio Maior to Cossato | 969.69 mi (1,560.56 km) |
| Rio Maior to Costa Volpino | 1,063.74 mi (1,711.92 km) |
| Rio Maior to Creazzo | 1,121.85 mi (1,805.44 km) |
| Rio Maior to Crema | 1,034.85 mi (1,665.43 km) |
| Rio Maior to Cremona | 1,046.59 mi (1,684.33 km) |
| Rio Maior to Crevalcore | 1,092.39 mi (1,758.03 km) |
| Rio Maior to Crispiano | 1,383.30 mi (2,226.20 km) |
| Rio Maior to Crosia | 1,366.56 mi (2,199.26 km) |
| Rio Maior to Crotone | 1,389.89 mi (2,236.81 km) |
| Rio Maior to Cuneo | 915.12 mi (1,472.75 km) |
| Rio Maior to Cuorgne | 941.95 mi (1,515.92 km) |
| Rio Maior to Cusano Milanino | 1,015.68 mi (1,634.57 km) |
| Rio Maior to Cutro | 1,383.33 mi (2,226.26 km) |
