| Sondershausen to Cologno al Serio | 403.14 mi (648.79 km) |
| Sondershausen to Cologno Monzese | 409.86 mi (659.61 km) |
| Sondershausen to Colorno | 445.06 mi (716.26 km) |
| Sondershausen to Comacchio | 464.60 mi (747.71 km) |
| Sondershausen to Comiso | 1,012.80 mi (1,629.94 km) |
| Sondershausen to Como | 392.41 mi (631.52 km) |
| Sondershausen to Concordia Sagittaria | 397.37 mi (639.50 km) |
| Sondershausen to Concorezzo | 405.24 mi (652.17 km) |
| Sondershausen to Conegliano | 384.20 mi (618.31 km) |
| Sondershausen to Conselice | 475.39 mi (765.06 km) |
| Sondershausen to Conselve | 426.25 mi (685.98 km) |
| Sondershausen to Conversano | 777.62 mi (1,251.46 km) |
| Sondershausen to Copertino | 840.36 mi (1,352.42 km) |
| Sondershausen to Copparo | 449.01 mi (722.62 km) |
| Sondershausen to Corato | 753.23 mi (1,212.21 km) |
