| Sidney to Casamassima | 4,957.88 mi (7,978.94 km) |
| Sidney to Casandrino | 4,847.90 mi (7,801.95 km) |
| Sidney to Casapulla | 4,843.79 mi (7,795.33 km) |
| Sidney to Casarano | 5,049.42 mi (8,126.25 km) |
| Sidney to Casatenovo | 4,456.73 mi (7,172.42 km) |
| Sidney to Casciana Terme | 4,592.72 mi (7,391.27 km) |
| Sidney to Cascina | 4,583.86 mi (7,377.01 km) |
| Sidney to Caselle Torinese | 4,407.52 mi (7,093.22 km) |
| Sidney to Caserta | 4,845.88 mi (7,798.70 km) |
| Sidney to Casier | 4,579.15 mi (7,369.42 km) |
| Sidney to Casorate Primo | 4,458.84 mi (7,175.82 km) |
| Sidney to Casoria | 4,851.37 mi (7,807.53 km) |
| Sidney to Cassano al Ionio | 4,982.60 mi (8,018.72 km) |
| Sidney to Cassano d'Adda | 4,471.22 mi (7,195.74 km) |
| Sidney to Cassano delle Murge | 4,954.54 mi (7,973.57 km) |
