| Olney to Castelfidardo | 4,466.61 mi (7,188.32 km) |
| Olney to Castelfiorentino | 4,350.23 mi (7,001.02 km) |
| Olney to Castelfranco di Sopra | 4,375.14 mi (7,041.11 km) |
| Olney to Castelfranco di Sotto | 4,337.40 mi (6,980.37 km) |
| Olney to Castelfranco Emilia | 4,320.23 mi (6,952.74 km) |
| Olney to Castelfranco Veneto | 4,321.77 mi (6,955.22 km) |
| Olney to Castellabate | 4,644.23 mi (7,474.17 km) |
| Olney to Castellammare del Golfo | 4,634.93 mi (7,459.20 km) |
| Olney to Castellammare di Stabia | 4,607.83 mi (7,415.59 km) |
| Olney to Castellamonte | 4,150.67 mi (6,679.85 km) |
| Olney to Castellana Grotte | 4,718.55 mi (7,593.77 km) |
| Olney to Castellaneta | 4,717.94 mi (7,592.80 km) |
| Olney to Castellanza | 4,194.39 mi (6,750.22 km) |
| Olney to Castellarano | 4,309.65 mi (6,935.71 km) |
| Olney to Castelleone | 4,241.64 mi (6,826.26 km) |
