| Oss to Cividale del Friuli | 530.83 mi (854.29 km) |
| Oss to Civita Castellana | 729.68 mi (1,174.30 km) |
| Oss to Civitanova Marche | 698.40 mi (1,123.97 km) |
| Oss to Civitavecchia | 730.07 mi (1,174.94 km) |
| Oss to Civitella in Val di Chiana | 644.66 mi (1,037.48 km) |
| Oss to Clusone | 453.57 mi (729.95 km) |
| Oss to Coccaglio | 474.29 mi (763.30 km) |
| Oss to Codigoro | 566.50 mi (911.69 km) |
| Oss to Codogno | 494.96 mi (796.57 km) |
| Oss to Codroipo | 524.69 mi (844.40 km) |
| Oss to Cogoleto | 529.67 mi (852.42 km) |
| Oss to Colle di Val d'Elsa | 634.12 mi (1,020.52 km) |
| Oss to Colle Salvetti | 609.37 mi (980.68 km) |
| Oss to Collecchio | 530.55 mi (853.84 km) |
| Oss to Colleferro | 777.91 mi (1,251.92 km) |
