| Osuna to Cividale del Friuli | 1,131.66 mi (1,821.23 km) |
| Osuna to Civita Castellana | 991.31 mi (1,595.36 km) |
| Osuna to Civitanova Marche | 1,074.69 mi (1,729.54 km) |
| Osuna to Civitavecchia | 957.66 mi (1,541.20 km) |
| Osuna to Civitella in Val di Chiana | 981.04 mi (1,578.84 km) |
| Osuna to Clusone | 978.38 mi (1,574.56 km) |
| Osuna to Coccaglio | 967.91 mi (1,557.70 km) |
| Osuna to Codigoro | 1,036.55 mi (1,668.16 km) |
| Osuna to Codogno | 942.26 mi (1,516.41 km) |
| Osuna to Codroipo | 1,107.93 mi (1,783.03 km) |
| Osuna to Cogoleto | 870.61 mi (1,401.12 km) |
| Osuna to Colle di Val d'Elsa | 953.22 mi (1,534.06 km) |
| Osuna to Colle Salvetti | 928.20 mi (1,493.79 km) |
| Osuna to Collecchio | 950.35 mi (1,529.45 km) |
| Osuna to Colleferro | 1,012.63 mi (1,629.67 km) |
