| Sonsbeck to Civita Castellana | 702.97 mi (1,131.32 km) |
| Sonsbeck to Civitanova Marche | 668.33 mi (1,075.57 km) |
| Sonsbeck to Civitavecchia | 704.71 mi (1,134.12 km) |
| Sonsbeck to Civitella in Val di Chiana | 618.04 mi (994.64 km) |
| Sonsbeck to Clusone | 427.65 mi (688.24 km) |
| Sonsbeck to Coccaglio | 448.83 mi (722.32 km) |
| Sonsbeck to Codigoro | 537.18 mi (864.50 km) |
| Sonsbeck to Codogno | 470.89 mi (757.83 km) |
| Sonsbeck to Codroipo | 492.06 mi (791.89 km) |
| Sonsbeck to Cogoleto | 509.66 mi (820.23 km) |
| Sonsbeck to Colle di Val d'Elsa | 608.75 mi (979.69 km) |
| Sonsbeck to Colle Salvetti | 585.25 mi (941.87 km) |
| Sonsbeck to Collecchio | 505.66 mi (813.79 km) |
| Sonsbeck to Colleferro | 750.70 mi (1,208.13 km) |
| Sonsbeck to Collegno | 454.59 mi (731.59 km) |
