| Riom to Caltanissetta | 808.65 mi (1,301.40 km) |
| Riom to Calvisano | 351.44 mi (565.58 km) |
| Riom to Calvizzano | 653.28 mi (1,051.36 km) |
| Riom to Camaiore | 376.69 mi (606.23 km) |
| Riom to Cameri | 268.56 mi (432.20 km) |
| Riom to Camisano Vicentino | 415.78 mi (669.13 km) |
| Riom to Campagna | 701.76 mi (1,129.37 km) |
| Riom to Campagnano di Roma | 528.40 mi (850.37 km) |
| Riom to Campi Bisenzio | 418.01 mi (672.73 km) |
| Riom to Campi Salentina | 839.95 mi (1,351.76 km) |
| Riom to Campiglia Marittima | 418.09 mi (672.85 km) |
| Riom to Campobasso | 648.86 mi (1,044.24 km) |
| Riom to Campobello di Licata | 816.19 mi (1,313.53 km) |
| Riom to Campobello di Mazara | 755.46 mi (1,215.80 km) |
| Riom to Campodarsego | 425.53 mi (684.82 km) |
