| Sidney to Castrovillari | 4,976.30 mi (8,008.58 km) |
| Sidney to Catania | 5,027.52 mi (8,091.02 km) |
| Sidney to Catanzaro | 5,032.22 mi (8,098.57 km) |
| Sidney to Cattolica | 4,662.57 mi (7,503.68 km) |
| Sidney to Cava de' Tirreni | 4,876.40 mi (7,847.81 km) |
| Sidney to Cavallino | 5,037.80 mi (8,107.55 km) |
| Sidney to Cavarzere | 4,590.28 mi (7,387.34 km) |
| Sidney to Cave | 4,756.77 mi (7,655.27 km) |
| Sidney to Cavriago | 4,544.18 mi (7,313.15 km) |
| Sidney to Cavriglia | 4,628.96 mi (7,449.59 km) |
| Sidney to Cazzago San Martino | 4,490.12 mi (7,226.14 km) |
| Sidney to Ceccano | 4,783.61 mi (7,698.48 km) |
| Sidney to Cecina | 4,596.63 mi (7,397.56 km) |
| Sidney to Cefalu | 4,958.59 mi (7,980.08 km) |
| Sidney to Ceglie Messapico | 4,994.68 mi (8,038.16 km) |
