| Olean to Castelfidardo | 4,404.07 mi (7,087.66 km) |
| Olean to Castelfiorentino | 4,291.20 mi (6,906.02 km) |
| Olean to Castelfranco di Sopra | 4,315.12 mi (6,944.52 km) |
| Olean to Castelfranco di Sotto | 4,278.35 mi (6,885.34 km) |
| Olean to Castelfranco Emilia | 4,257.60 mi (6,851.95 km) |
| Olean to Castelfranco Veneto | 4,254.13 mi (6,846.37 km) |
| Olean to Castellabate | 4,589.93 mi (7,386.79 km) |
| Olean to Castellammare del Golfo | 4,591.63 mi (7,389.51 km) |
| Olean to Castellammare di Stabia | 4,552.98 mi (7,327.31 km) |
| Olean to Castellamonte | 4,090.05 mi (6,582.31 km) |
| Olean to Castellana Grotte | 4,658.54 mi (7,497.20 km) |
| Olean to Castellaneta | 4,659.13 mi (7,498.15 km) |
| Olean to Castellanza | 4,131.26 mi (6,648.61 km) |
| Olean to Castellarano | 4,247.52 mi (6,835.72 km) |
| Olean to Castelleone | 4,178.43 mi (6,724.53 km) |
