| Rock Island to Caltagirone | 5,237.01 mi (8,428.15 km) |
| Rock Island to Caltanissetta | 5,206.93 mi (8,379.75 km) |
| Rock Island to Calvisano | 4,712.57 mi (7,584.15 km) |
| Rock Island to Calvizzano | 5,056.78 mi (8,138.11 km) |
| Rock Island to Camaiore | 4,770.74 mi (7,677.77 km) |
| Rock Island to Cameri | 4,640.69 mi (7,468.47 km) |
| Rock Island to Camisano Vicentino | 4,757.86 mi (7,657.04 km) |
| Rock Island to Campagna | 5,103.53 mi (8,213.34 km) |
| Rock Island to Campagnano di Roma | 4,930.66 mi (7,935.13 km) |
| Rock Island to Campi Bisenzio | 4,808.33 mi (7,738.25 km) |
| Rock Island to Campi Salentina | 5,229.53 mi (8,416.12 km) |
| Rock Island to Campiglia Marittima | 4,820.26 mi (7,757.45 km) |
| Rock Island to Campobasso | 5,045.65 mi (8,120.19 km) |
| Rock Island to Campobello di Licata | 5,211.93 mi (8,387.78 km) |
| Rock Island to Campobello di Mazara | 5,146.30 mi (8,282.17 km) |
