| Speyer to Cologno al Serio | 264.85 mi (426.23 km) |
| Speyer to Cologno Monzese | 264.89 mi (426.30 km) |
| Speyer to Colorno | 316.61 mi (509.54 km) |
| Speyer to Comacchio | 364.74 mi (587.00 km) |
| Speyer to Comiso | 908.71 mi (1,462.42 km) |
| Speyer to Como | 244.37 mi (393.27 km) |
| Speyer to Concordia Sagittaria | 320.40 mi (515.64 km) |
| Speyer to Concorezzo | 261.14 mi (420.26 km) |
| Speyer to Conegliano | 297.73 mi (479.14 km) |
| Speyer to Conselice | 368.54 mi (593.11 km) |
| Speyer to Conselve | 324.95 mi (522.95 km) |
| Speyer to Conversano | 714.69 mi (1,150.18 km) |
| Speyer to Copertino | 782.03 mi (1,258.56 km) |
| Speyer to Copparo | 344.64 mi (554.64 km) |
| Speyer to Corato | 683.95 mi (1,100.71 km) |
