| South Valley to Corato | 6,056.52 mi (9,747.04 km) |
| South Valley to Corbetta | 5,579.15 mi (8,978.77 km) |
| South Valley to Corciano | 5,810.79 mi (9,351.57 km) |
| South Valley to Cordenons | 5,688.96 mi (9,155.49 km) |
| South Valley to Cori | 5,905.50 mi (9,503.98 km) |
| South Valley to Coriano | 5,782.22 mi (9,305.58 km) |
| South Valley to Corigliano Calabro | 6,138.65 mi (9,879.20 km) |
| South Valley to Corleone | 6,105.87 mi (9,826.45 km) |
| South Valley to Cormano | 5,584.37 mi (8,987.18 km) |
| South Valley to Cornaredo | 5,581.85 mi (8,983.11 km) |
| South Valley to Cornate d'Adda | 5,590.58 mi (8,997.18 km) |
| South Valley to Cornedo Vicentino | 5,659.24 mi (9,107.66 km) |
| South Valley to Correggio | 5,678.85 mi (9,139.23 km) |
| South Valley to Corridonia | 5,849.63 mi (9,414.07 km) |
| South Valley to Corsico | 5,587.93 mi (8,992.90 km) |
