| Rock Island to Cassina de' Pecchi | 4,667.78 mi (7,512.07 km) |
| Rock Island to Cassino | 5,015.97 mi (8,072.43 km) |
| Rock Island to Castagneto Carducci | 4,815.30 mi (7,749.48 km) |
| Rock Island to Castano Primo | 4,643.16 mi (7,472.45 km) |
| Rock Island to Castel Bolognese | 4,812.65 mi (7,745.22 km) |
| Rock Island to Castel Gandolfo | 4,958.34 mi (7,979.67 km) |
| Rock Island to Castel Goffredo | 4,719.68 mi (7,595.60 km) |
| Rock Island to Castel Maggiore | 4,785.17 mi (7,700.99 km) |
| Rock Island to Castel Mella | 4,698.68 mi (7,561.80 km) |
| Rock Island to Castel San Giorgio | 5,082.47 mi (8,179.44 km) |
| Rock Island to Castel San Giovanni | 4,689.82 mi (7,547.53 km) |
| Rock Island to Castel San Pietro Terme | 4,800.70 mi (7,725.98 km) |
| Rock Island to Castel Volturno | 5,039.48 mi (8,110.26 km) |
| Rock Island to Castelbuono | 5,188.21 mi (8,349.62 km) |
| Rock Island to Casteldaccia | 5,159.70 mi (8,303.73 km) |
