| Olen to Castelfiorentino | 594.52 mi (956.79 km) |
| Olen to Castelfranco di Sopra | 606.79 mi (976.54 km) |
| Olen to Castelfranco di Sotto | 583.53 mi (939.09 km) |
| Olen to Castelfranco Emilia | 535.90 mi (862.46 km) |
| Olen to Castelfranco Veneto | 498.62 mi (802.44 km) |
| Olen to Castellabate | 893.56 mi (1,438.05 km) |
| Olen to Castellammare del Golfo | 987.69 mi (1,589.54 km) |
| Olen to Castellammare di Stabia | 856.35 mi (1,378.16 km) |
| Olen to Castellamonte | 419.62 mi (675.32 km) |
| Olen to Castellana Grotte | 920.76 mi (1,481.82 km) |
| Olen to Castellaneta | 927.92 mi (1,493.34 km) |
| Olen to Castellanza | 424.93 mi (683.86 km) |
| Olen to Castellarano | 531.16 mi (854.82 km) |
| Olen to Castelleone | 463.12 mi (745.32 km) |
| Olen to Castelletto sopra Ticino | 413.39 mi (665.29 km) |
