| Sidney to Cognac | 4,053.74 mi (6,523.86 km) |
| Sidney to Cogolin | 4,430.93 mi (7,130.90 km) |
| Sidney to Colmar | 4,292.04 mi (6,907.37 km) |
| Sidney to Colombes | 4,059.25 mi (6,532.74 km) |
| Sidney to Colomiers | 4,194.11 mi (6,749.77 km) |
| Sidney to Combs-la-Ville | 4,079.73 mi (6,565.68 km) |
| Sidney to Comines | 4,032.10 mi (6,489.03 km) |
| Sidney to Compiegne | 4,066.75 mi (6,544.80 km) |
| Sidney to Concarneau | 3,835.32 mi (6,172.35 km) |
| Sidney to Conde-sur-l'Escaut | 4,064.62 mi (6,541.37 km) |
| Sidney to Conflans-Sainte-Honorine | 4,050.66 mi (6,518.91 km) |
| Sidney to Corbas | 4,275.98 mi (6,881.52 km) |
| Sidney to Corbeil-Essonnes | 4,078.34 mi (6,563.46 km) |
| Sidney to Cormeilles-en-Parisis | 4,055.62 mi (6,526.89 km) |
| Sidney to Cosne sur Loire | 4,135.24 mi (6,655.03 km) |
