| Olen to Carovigno | 946.32 mi (1,522.95 km) |
| Olen to Carpenedolo | 474.75 mi (764.04 km) |
| Olen to Carpi | 520.57 mi (837.78 km) |
| Olen to Carrara | 545.98 mi (878.68 km) |
| Olen to Carugate | 438.08 mi (705.02 km) |
| Olen to Casal di Principe | 828.08 mi (1,332.66 km) |
| Olen to Casale Monferrato | 447.57 mi (720.29 km) |
| Olen to Casale sul Sile | 514.26 mi (827.63 km) |
| Olen to Casalecchio di Reno | 548.40 mi (882.57 km) |
| Olen to Casalgrande | 528.97 mi (851.29 km) |
| Olen to Casalmaggiore | 497.07 mi (799.96 km) |
| Olen to Casalnuovo di Napoli | 839.64 mi (1,351.27 km) |
| Olen to Casalpusterlengo | 467.95 mi (753.10 km) |
| Olen to Casaluce | 830.78 mi (1,337.02 km) |
| Olen to Casamassima | 909.45 mi (1,463.62 km) |
