| Olaine to Cortona | 1,069.88 mi (1,721.81 km) |
| Olaine to Cosenza | 1,257.16 mi (2,023.20 km) |
| Olaine to Cossato | 1,028.04 mi (1,654.48 km) |
| Olaine to Costa Volpino | 960.47 mi (1,545.73 km) |
| Olaine to Creazzo | 943.02 mi (1,517.65 km) |
| Olaine to Crema | 998.30 mi (1,606.61 km) |
| Olaine to Cremona | 1,002.88 mi (1,613.98 km) |
| Olaine to Crevalcore | 1,000.13 mi (1,609.55 km) |
| Olaine to Crispiano | 1,157.82 mi (1,863.33 km) |
| Olaine to Crosia | 1,232.91 mi (1,984.18 km) |
| Olaine to Crotone | 1,261.50 mi (2,030.19 km) |
| Olaine to Cuneo | 1,112.45 mi (1,790.32 km) |
| Olaine to Cuorgne | 1,052.57 mi (1,693.94 km) |
| Olaine to Cusano Milanino | 1,001.02 mi (1,610.99 km) |
| Olaine to Cutro | 1,266.42 mi (2,038.11 km) |
