| Romanshorn to Creutzwald | 166.63 mi (268.17 km) |
| Romanshorn to Croissy-sur-Seine | 344.14 mi (553.84 km) |
| Romanshorn to Croix | 353.43 mi (568.79 km) |
| Romanshorn to Crosne | 327.60 mi (527.22 km) |
| Romanshorn to Cuers | 338.67 mi (545.03 km) |
| Romanshorn to Cugnaux | 476.75 mi (767.26 km) |
| Romanshorn to Cusset | 295.68 mi (475.85 km) |
| Romanshorn to Dammarie-le-Lys | 317.08 mi (510.29 km) |
| Romanshorn to Dammartin-en-Goele | 323.45 mi (520.54 km) |
| Romanshorn to Dardilly | 249.66 mi (401.79 km) |
| Romanshorn to Darnetal | 397.23 mi (639.29 km) |
| Romanshorn to Dax | 568.23 mi (914.48 km) |
| Romanshorn to Decines-Charpieu | 242.50 mi (390.26 km) |
| Romanshorn to Denain | 331.02 mi (532.72 km) |
| Romanshorn to Deuil-la-Barre | 337.55 mi (543.24 km) |
