| Ommen to Castrovillari | 992.49 mi (1,597.26 km) |
| Ommen to Catania | 1,118.81 mi (1,800.55 km) |
| Ommen to Catanzaro | 1,059.01 mi (1,704.30 km) |
| Ommen to Cattolica | 657.78 mi (1,058.59 km) |
| Ommen to Cava de' Tirreni | 904.79 mi (1,456.12 km) |
| Ommen to Cavallino | 1,009.88 mi (1,625.24 km) |
| Ommen to Cavarzere | 570.88 mi (918.74 km) |
| Ommen to Cave | 799.37 mi (1,286.46 km) |
| Ommen to Cavriago | 571.65 mi (919.98 km) |
| Ommen to Cavriglia | 664.05 mi (1,068.69 km) |
| Ommen to Cazzago San Martino | 506.10 mi (814.49 km) |
| Ommen to Ceccano | 822.77 mi (1,324.12 km) |
| Ommen to Cecina | 663.13 mi (1,067.20 km) |
| Ommen to Cefalu | 1,065.31 mi (1,714.46 km) |
| Ommen to Ceglie Messapico | 971.85 mi (1,564.04 km) |
