| Speyer to Catania | 881.53 mi (1,418.69 km) |
| Speyer to Catanzaro | 825.01 mi (1,327.72 km) |
| Speyer to Cattolica | 422.24 mi (679.52 km) |
| Speyer to Cava de' Tirreni | 669.10 mi (1,076.80 km) |
| Speyer to Cavallino | 783.58 mi (1,261.06 km) |
| Speyer to Cavarzere | 335.83 mi (540.47 km) |
| Speyer to Cave | 562.01 mi (904.47 km) |
| Speyer to Cavriago | 334.15 mi (537.76 km) |
| Speyer to Cavriglia | 426.38 mi (686.19 km) |
| Speyer to Cazzago San Martino | 268.77 mi (432.54 km) |
| Speyer to Ceccano | 585.69 mi (942.58 km) |
| Speyer to Cecina | 426.47 mi (686.34 km) |
| Speyer to Cefalu | 827.66 mi (1,331.98 km) |
| Speyer to Ceglie Messapico | 743.98 mi (1,197.33 km) |
| Speyer to Celano | 557.30 mi (896.89 km) |
