| Olesno to Collegno | 640.80 mi (1,031.27 km) |
| Olesno to Cologno al Serio | 542.15 mi (872.50 km) |
| Olesno to Cologno Monzese | 559.23 mi (900.00 km) |
| Olesno to Colorno | 553.43 mi (890.66 km) |
| Olesno to Comacchio | 515.12 mi (829.00 km) |
| Olesno to Comiso | 980.35 mi (1,577.73 km) |
| Olesno to Como | 552.51 mi (889.19 km) |
| Olesno to Concordia Sagittaria | 435.60 mi (701.03 km) |
| Olesno to Concorezzo | 554.28 mi (892.03 km) |
| Olesno to Conegliano | 444.25 mi (714.96 km) |
| Olesno to Conselice | 535.00 mi (861.01 km) |
| Olesno to Conselve | 493.00 mi (793.41 km) |
| Olesno to Conversano | 687.41 mi (1,106.28 km) |
| Olesno to Copertino | 733.17 mi (1,179.93 km) |
| Olesno to Copparo | 512.86 mi (825.37 km) |
