| Grottammare to Butzbach | 570.19 mi (917.64 km) |
| Grottammare to Buxtehude | 749.18 mi (1,205.70 km) |
| Grottammare to Cadolzburg | 468.72 mi (754.34 km) |
| Grottammare to Calbe | 623.49 mi (1,003.42 km) |
| Grottammare to Calw | 466.21 mi (750.29 km) |
| Grottammare to Castrop-Rauxel | 665.77 mi (1,071.45 km) |
| Grottammare to Celle | 688.28 mi (1,107.69 km) |
| Grottammare to Cham | 434.15 mi (698.70 km) |
| Grottammare to Chemnitz | 543.78 mi (875.12 km) |
| Grottammare to Clausthal-Zellerfeld | 630.86 mi (1,015.27 km) |
| Grottammare to Cloppenburg | 731.98 mi (1,178.00 km) |
| Grottammare to Coburg | 521.16 mi (838.73 km) |
| Grottammare to Coesfeld | 692.97 mi (1,115.22 km) |
| Grottammare to Cologne | 637.89 mi (1,026.59 km) |
| Grottammare to Coswig | 562.82 mi (905.78 km) |
