| Erfurt to Cognac | 635.90 mi (1,023.38 km) |
| Erfurt to Cogolin | 574.31 mi (924.25 km) |
| Erfurt to Colmar | 259.53 mi (417.67 km) |
| Erfurt to Colombes | 415.18 mi (668.17 km) |
| Erfurt to Colomiers | 681.28 mi (1,096.42 km) |
| Erfurt to Combs-la-Ville | 409.79 mi (659.50 km) |
| Erfurt to Comines | 350.09 mi (563.41 km) |
| Erfurt to Compiegne | 378.71 mi (609.48 km) |
| Erfurt to Concarneau | 703.94 mi (1,132.89 km) |
| Erfurt to Conde-sur-l'Escaut | 327.54 mi (527.12 km) |
| Erfurt to Conflans-Sainte-Honorine | 419.58 mi (675.25 km) |
| Erfurt to Corbas | 462.49 mi (744.30 km) |
| Erfurt to Corbeil-Essonnes | 414.70 mi (667.40 km) |
| Erfurt to Cormeilles-en-Parisis | 415.94 mi (669.39 km) |
| Erfurt to Cosne sur Loire | 441.16 mi (709.97 km) |
