| Hopatcong to Cognac | 3,613.48 mi (5,815.33 km) |
| Hopatcong to Cogolin | 3,991.23 mi (6,423.26 km) |
| Hopatcong to Colmar | 3,875.81 mi (6,237.52 km) |
| Hopatcong to Colombes | 3,638.77 mi (5,856.04 km) |
| Hopatcong to Colomiers | 3,747.35 mi (6,030.77 km) |
| Hopatcong to Combs-la-Ville | 3,658.42 mi (5,887.65 km) |
| Hopatcong to Comines | 3,622.72 mi (5,830.21 km) |
| Hopatcong to Compiegne | 3,649.76 mi (5,873.72 km) |
| Hopatcong to Concarneau | 3,400.37 mi (5,472.36 km) |
| Hopatcong to Conde-sur-l'Escaut | 3,654.44 mi (5,881.25 km) |
| Hopatcong to Conflans-Sainte-Honorine | 3,630.33 mi (5,842.46 km) |
| Hopatcong to Corbas | 3,843.96 mi (6,186.25 km) |
| Hopatcong to Corbeil-Essonnes | 3,656.62 mi (5,884.76 km) |
| Hopatcong to Cormeilles-en-Parisis | 3,635.32 mi (5,850.48 km) |
| Hopatcong to Cosne sur Loire | 3,708.18 mi (5,967.75 km) |
