| Ostwald to Carpentras | 335.57 mi (540.05 km) |
| Ostwald to Carquefou | 434.69 mi (699.57 km) |
| Ostwald to Carqueiranne | 385.14 mi (619.82 km) |
| Ostwald to Carrieres-sous-Poissy | 259.92 mi (418.30 km) |
| Ostwald to Carrieres-sur-Seine | 248.42 mi (399.79 km) |
| Ostwald to Carros | 331.10 mi (532.86 km) |
| Ostwald to Carvin | 251.92 mi (405.42 km) |
| Ostwald to Castanet-Tolosan | 457.87 mi (736.88 km) |
| Ostwald to Castelginest | 450.37 mi (724.81 km) |
| Ostwald to Castelnau-le-Lez | 385.42 mi (620.27 km) |
| Ostwald to Castelnaudary | 455.05 mi (732.34 km) |
| Ostwald to Castelsarrasin | 443.11 mi (713.12 km) |
| Ostwald to Castres | 430.57 mi (692.94 km) |
| Ostwald to Caudebec-les-Elbeuf | 307.93 mi (495.56 km) |
| Ostwald to Caudry | 222.07 mi (357.38 km) |
