| Ostwald to Ciampino | 523.40 mi (842.32 km) |
| Ostwald to Cicciano | 621.16 mi (999.67 km) |
| Ostwald to Cingoli | 444.92 mi (716.03 km) |
| Ostwald to Cinisello Balsamo | 219.09 mi (352.58 km) |
| Ostwald to Cinisi | 766.32 mi (1,233.28 km) |
| Ostwald to Cirie | 229.16 mi (368.80 km) |
| Ostwald to Ciro Marina | 787.19 mi (1,266.85 km) |
| Ostwald to Cislago | 208.92 mi (336.23 km) |
| Ostwald to Cisterna di Latina | 541.51 mi (871.48 km) |
| Ostwald to Cisternino | 720.02 mi (1,158.76 km) |
| Ostwald to Citta di Castello | 413.31 mi (665.15 km) |
| Ostwald to Citta Sant'Angelo | 517.18 mi (832.33 km) |
| Ostwald to Cittadella | 277.08 mi (445.92 km) |
| Ostwald to Cittanova | 819.24 mi (1,318.45 km) |
| Ostwald to Cividale del Friuli | 316.79 mi (509.82 km) |
