| Ommen to Cividale del Friuli | 543.94 mi (875.38 km) |
| Ommen to Civita Castellana | 759.10 mi (1,221.66 km) |
| Ommen to Civitanova Marche | 720.50 mi (1,159.53 km) |
| Ommen to Civitavecchia | 762.10 mi (1,226.47 km) |
| Ommen to Civitella in Val di Chiana | 674.41 mi (1,085.35 km) |
| Ommen to Clusone | 485.14 mi (780.75 km) |
| Ommen to Coccaglio | 506.63 mi (815.34 km) |
| Ommen to Codigoro | 590.70 mi (950.64 km) |
| Ommen to Codogno | 529.69 mi (852.46 km) |
| Ommen to Codroipo | 540.53 mi (869.91 km) |
| Ommen to Cogoleto | 570.68 mi (918.43 km) |
| Ommen to Colle di Val d'Elsa | 666.27 mi (1,072.26 km) |
| Ommen to Colle Salvetti | 643.80 mi (1,036.10 km) |
| Ommen to Collecchio | 563.78 mi (907.31 km) |
| Ommen to Colleferro | 806.26 mi (1,297.55 km) |
