| Otopeni to Cividale del Friuli | 622.45 mi (1,001.73 km) |
| Otopeni to Civita Castellana | 702.05 mi (1,129.84 km) |
| Otopeni to Civitanova Marche | 619.36 mi (996.77 km) |
| Otopeni to Civitavecchia | 735.92 mi (1,184.35 km) |
| Otopeni to Civitella in Val di Chiana | 716.92 mi (1,153.78 km) |
| Otopeni to Clusone | 788.60 mi (1,269.13 km) |
| Otopeni to Coccaglio | 787.18 mi (1,266.85 km) |
| Otopeni to Codigoro | 684.80 mi (1,102.08 km) |
| Otopeni to Codogno | 801.29 mi (1,289.55 km) |
| Otopeni to Codroipo | 643.38 mi (1,035.42 km) |
| Otopeni to Cogoleto | 857.55 mi (1,380.09 km) |
| Otopeni to Colle di Val d'Elsa | 745.87 mi (1,200.36 km) |
| Otopeni to Colle Salvetti | 775.29 mi (1,247.72 km) |
| Otopeni to Collecchio | 778.14 mi (1,252.30 km) |
| Otopeni to Colleferro | 685.38 mi (1,103.02 km) |
