| Sidney to Castelfidardo | 4,715.75 mi (7,589.27 km) |
| Sidney to Castelfiorentino | 4,604.35 mi (7,409.98 km) |
| Sidney to Castelfranco di Sopra | 4,627.88 mi (7,447.85 km) |
| Sidney to Castelfranco di Sotto | 4,591.50 mi (7,389.31 km) |
| Sidney to Castelfranco Emilia | 4,569.39 mi (7,353.72 km) |
| Sidney to Castelfranco Veneto | 4,563.82 mi (7,344.76 km) |
| Sidney to Castellabate | 4,904.54 mi (7,893.09 km) |
| Sidney to Castellammare del Golfo | 4,909.56 mi (7,901.17 km) |
| Sidney to Castellammare di Stabia | 4,867.42 mi (7,833.35 km) |
| Sidney to Castellamonte | 4,402.79 mi (7,085.61 km) |
| Sidney to Castellana Grotte | 4,971.00 mi (8,000.05 km) |
| Sidney to Castellaneta | 4,972.05 mi (8,001.74 km) |
| Sidney to Castellanza | 4,442.97 mi (7,150.26 km) |
| Sidney to Castellarano | 4,559.52 mi (7,337.83 km) |
| Sidney to Castelleone | 4,490.06 mi (7,226.06 km) |
