| Sidney to Chivasso | 4,416.99 mi (7,108.46 km) |
| Sidney to Ciampino | 4,743.49 mi (7,633.91 km) |
| Sidney to Cicciano | 4,858.37 mi (7,818.79 km) |
| Sidney to Cingoli | 4,706.20 mi (7,573.89 km) |
| Sidney to Cinisello Balsamo | 4,458.37 mi (7,175.05 km) |
| Sidney to Cinisi | 4,913.29 mi (7,907.17 km) |
| Sidney to Cirie | 4,403.51 mi (7,086.77 km) |
| Sidney to Ciro Marina | 5,034.23 mi (8,101.81 km) |
| Sidney to Cislago | 4,444.46 mi (7,152.67 km) |
| Sidney to Cisterna di Latina | 4,761.49 mi (7,662.88 km) |
| Sidney to Cisternino | 4,988.37 mi (8,028.00 km) |
| Sidney to Citta di Castello | 4,662.52 mi (7,503.60 km) |
| Sidney to Citta Sant'Angelo | 4,774.71 mi (7,684.16 km) |
| Sidney to Cittadella | 4,558.45 mi (7,336.12 km) |
| Sidney to Cittanova | 5,033.87 mi (8,101.23 km) |
