| Sidney to Cividale del Friuli | 4,606.62 mi (7,413.64 km) |
| Sidney to Civita Castellana | 4,715.67 mi (7,589.13 km) |
| Sidney to Civitanova Marche | 4,730.00 mi (7,612.20 km) |
| Sidney to Civitavecchia | 4,697.97 mi (7,560.65 km) |
| Sidney to Civitella in Val di Chiana | 4,642.52 mi (7,471.41 km) |
| Sidney to Clusone | 4,475.75 mi (7,203.02 km) |
| Sidney to Coccaglio | 4,488.88 mi (7,224.15 km) |
| Sidney to Codigoro | 4,603.50 mi (7,408.62 km) |
| Sidney to Codogno | 4,492.87 mi (7,230.58 km) |
| Sidney to Codroipo | 4,594.04 mi (7,393.39 km) |
| Sidney to Cogoleto | 4,478.04 mi (7,206.70 km) |
| Sidney to Colle di Val d'Elsa | 4,619.03 mi (7,433.60 km) |
| Sidney to Colle Salvetti | 4,584.30 mi (7,377.72 km) |
| Sidney to Collecchio | 4,529.31 mi (7,289.22 km) |
| Sidney to Colleferro | 4,763.62 mi (7,666.31 km) |
