| Ommen to Cortona | 688.18 mi (1,107.52 km) |
| Ommen to Cosenza | 1,026.13 mi (1,651.39 km) |
| Ommen to Cossato | 486.66 mi (783.20 km) |
| Ommen to Costa Volpino | 490.83 mi (789.92 km) |
| Ommen to Creazzo | 534.00 mi (859.40 km) |
| Ommen to Crema | 515.64 mi (829.84 km) |
| Ommen to Cremona | 535.84 mi (862.35 km) |
| Ommen to Crevalcore | 580.36 mi (934.00 km) |
| Ommen to Crispiano | 968.22 mi (1,558.20 km) |
| Ommen to Crosia | 1,020.88 mi (1,642.95 km) |
| Ommen to Crotone | 1,059.07 mi (1,704.41 km) |
| Ommen to Cuneo | 564.34 mi (908.22 km) |
| Ommen to Cuorgne | 495.58 mi (797.55 km) |
| Ommen to Cusano Milanino | 497.30 mi (800.33 km) |
| Ommen to Cutro | 1,059.17 mi (1,704.58 km) |
