| Speyer to Busto Garolfo | 261.46 mi (420.78 km) |
| Speyer to Cabras | 648.54 mi (1,043.72 km) |
| Speyer to Cadelbosco di Sopra | 330.68 mi (532.18 km) |
| Speyer to Cadoneghe | 313.48 mi (504.49 km) |
| Speyer to Cagli | 446.21 mi (718.11 km) |
| Speyer to Cagliari | 698.06 mi (1,123.43 km) |
| Speyer to Cairo Montenotte | 339.99 mi (547.15 km) |
| Speyer to Caivano | 644.67 mi (1,037.50 km) |
| Speyer to Calcinaia | 403.00 mi (648.57 km) |
| Speyer to Calcinato | 282.44 mi (454.54 km) |
| Speyer to Calderara di Reno | 354.51 mi (570.53 km) |
| Speyer to Caldogno | 294.08 mi (473.28 km) |
| Speyer to Calenzano | 398.43 mi (641.22 km) |
| Speyer to Calolziocorte | 247.61 mi (398.49 km) |
| Speyer to Caltagirone | 888.32 mi (1,429.62 km) |
