| Olhao to Cortona | 1,129.21 mi (1,817.28 km) |
| Olhao to Cosenza | 1,314.21 mi (2,115.01 km) |
| Olhao to Cossato | 1,016.13 mi (1,635.30 km) |
| Olhao to Costa Volpino | 1,106.83 mi (1,781.27 km) |
| Olhao to Creazzo | 1,158.44 mi (1,864.33 km) |
| Olhao to Crema | 1,074.49 mi (1,729.22 km) |
| Olhao to Cremona | 1,082.88 mi (1,742.72 km) |
| Olhao to Crevalcore | 1,121.69 mi (1,805.18 km) |
| Olhao to Crispiano | 1,367.49 mi (2,200.76 km) |
| Olhao to Crosia | 1,341.60 mi (2,159.10 km) |
| Olhao to Crotone | 1,360.95 mi (2,190.24 km) |
| Olhao to Cuneo | 950.66 mi (1,529.94 km) |
| Olhao to Cuorgne | 988.33 mi (1,590.56 km) |
| Olhao to Cusano Milanino | 1,058.66 mi (1,703.75 km) |
| Olhao to Cutro | 1,353.87 mi (2,178.85 km) |
