| Sonsbeck to Ciampino | 738.43 mi (1,188.39 km) |
| Sonsbeck to Cicciano | 830.86 mi (1,337.14 km) |
| Sonsbeck to Cingoli | 652.24 mi (1,049.68 km) |
| Sonsbeck to Cinisello Balsamo | 438.20 mi (705.22 km) |
| Sonsbeck to Cinisi | 984.31 mi (1,584.10 km) |
| Sonsbeck to Cirie | 443.91 mi (714.41 km) |
| Sonsbeck to Ciro Marina | 990.80 mi (1,594.54 km) |
| Sonsbeck to Cislago | 428.30 mi (689.28 km) |
| Sonsbeck to Cisterna di Latina | 756.19 mi (1,216.97 km) |
| Sonsbeck to Cisternino | 916.78 mi (1,475.41 km) |
| Sonsbeck to Citta di Castello | 625.49 mi (1,006.62 km) |
| Sonsbeck to Citta Sant'Angelo | 723.70 mi (1,164.68 km) |
| Sonsbeck to Cittadella | 479.76 mi (772.11 km) |
| Sonsbeck to Cittanova | 1,029.56 mi (1,656.91 km) |
| Sonsbeck to Cividale del Friuli | 497.32 mi (800.35 km) |
