| Ostwald to Cabestany | 466.34 mi (750.50 km) |
| Ostwald to Cabries | 370.36 mi (596.04 km) |
| Ostwald to Cachan | 246.06 mi (396.00 km) |
| Ostwald to Caen | 369.79 mi (595.12 km) |
| Ostwald to Cagnes-sur-Mer | 338.72 mi (545.11 km) |
| Ostwald to Cahors | 411.33 mi (661.97 km) |
| Ostwald to Calais | 309.38 mi (497.90 km) |
| Ostwald to Caluire-et-Cuire | 233.16 mi (375.23 km) |
| Ostwald to Cambrai | 230.63 mi (371.17 km) |
| Ostwald to Canet-en-Roussillon | 463.29 mi (745.59 km) |
| Ostwald to Cannes | 347.08 mi (558.57 km) |
| Ostwald to Canteleu | 308.89 mi (497.11 km) |
| Ostwald to Capbreton | 553.50 mi (890.77 km) |
| Ostwald to Carcassonne | 450.02 mi (724.24 km) |
| Ostwald to Carmaux | 408.53 mi (657.46 km) |
