| Olbia to Cankova | 515.68 mi (829.91 km) |
| Olbia to Celje | 467.07 mi (751.68 km) |
| Olbia to Cerklje na Gorenjskem | 444.75 mi (715.76 km) |
| Olbia to Cerknica | 416.04 mi (669.55 km) |
| Olbia to Cerkno | 424.45 mi (683.08 km) |
| Olbia to Cerkvenjak | 505.40 mi (813.36 km) |
| Olbia to Cirkulane | 495.71 mi (797.76 km) |
| Olbia to Crensovci | 517.11 mi (832.21 km) |
| Olbia to Crna na Koroskem | 467.31 mi (752.07 km) |
| Olbia to Crnomelj | 430.35 mi (692.59 km) |
| Olbia to Destrnik | 499.61 mi (804.05 km) |
| Olbia to Divaca | 398.52 mi (641.35 km) |
| Olbia to Dobje | 465.86 mi (749.73 km) |
| Olbia to Dobrna | 471.33 mi (758.54 km) |
| Olbia to Dobrova | 431.84 mi (694.98 km) |
