| Sonsbeck to Cologno al Serio | 443.04 mi (713.00 km) |
| Sonsbeck to Cologno Monzese | 440.46 mi (708.85 km) |
| Sonsbeck to Colorno | 496.49 mi (799.02 km) |
| Sonsbeck to Comacchio | 546.86 mi (880.09 km) |
| Sonsbeck to Comiso | 1,089.80 mi (1,753.86 km) |
| Sonsbeck to Como | 419.18 mi (674.60 km) |
| Sonsbeck to Concordia Sagittaria | 499.69 mi (804.18 km) |
| Sonsbeck to Concorezzo | 437.22 mi (703.63 km) |
| Sonsbeck to Conegliano | 478.26 mi (769.68 km) |
| Sonsbeck to Conselice | 550.63 mi (886.16 km) |
| Sonsbeck to Conselve | 507.03 mi (815.98 km) |
| Sonsbeck to Conversano | 894.41 mi (1,439.42 km) |
| Sonsbeck to Copertino | 961.17 mi (1,546.86 km) |
| Sonsbeck to Copparo | 526.79 mi (847.79 km) |
| Sonsbeck to Corato | 864.54 mi (1,391.34 km) |
