| Speyer to Coudekerque-Branche | 291.98 mi (469.90 km) |
| Speyer to Coueron | 488.65 mi (786.41 km) |
| Speyer to Coulommiers | 244.51 mi (393.49 km) |
| Speyer to Courbevoic | 280.87 mi (452.01 km) |
| Speyer to Courcouronnes | 276.34 mi (444.72 km) |
| Speyer to Cournon-d'Auvergne | 347.27 mi (558.87 km) |
| Speyer to Courrieres | 256.41 mi (412.65 km) |
| Speyer to Coutras | 498.49 mi (802.25 km) |
| Speyer to Couzeix | 410.69 mi (660.94 km) |
| Speyer to Cran-Gevrier | 259.68 mi (417.92 km) |
| Speyer to Craponne | 301.41 mi (485.08 km) |
| Speyer to Creil | 268.01 mi (431.31 km) |
| Speyer to Crepy-en-Valois | 249.90 mi (402.18 km) |
| Speyer to Crest | 355.44 mi (572.03 km) |
| Speyer to Creteil | 272.62 mi (438.74 km) |
