| Regensburg to Ciampino | 499.25 mi (803.47 km) |
| Regensburg to Cicciano | 568.85 mi (915.48 km) |
| Regensburg to Cingoli | 394.11 mi (634.26 km) |
| Regensburg to Cinisello Balsamo | 274.59 mi (441.91 km) |
| Regensburg to Cinisi | 751.37 mi (1,209.21 km) |
| Regensburg to Cirie | 335.55 mi (540.01 km) |
| Regensburg to Ciro Marina | 711.46 mi (1,144.98 km) |
| Regensburg to Cislago | 274.55 mi (441.85 km) |
| Regensburg to Cisterna di Latina | 514.35 mi (827.76 km) |
| Regensburg to Cisternino | 629.03 mi (1,012.32 km) |
| Regensburg to Citta di Castello | 383.95 mi (617.91 km) |
| Regensburg to Citta Sant'Angelo | 458.96 mi (738.62 km) |
| Regensburg to Cittadella | 233.04 mi (375.04 km) |
| Regensburg to Cittanova | 763.33 mi (1,228.46 km) |
| Regensburg to Cividale del Friuli | 211.12 mi (339.76 km) |
