| Kazincbarcika to Oria | 555.84 mi (894.54 km) |
| Kazincbarcika to Oristano | 829.18 mi (1,334.43 km) |
| Kazincbarcika to Orta Nova | 535.72 mi (862.15 km) |
| Kazincbarcika to Orte | 565.95 mi (910.81 km) |
| Kazincbarcika to Ortona | 508.04 mi (817.61 km) |
| Kazincbarcika to Orvieto | 562.57 mi (905.36 km) |
| Kazincbarcika to Orzinuovi | 542.85 mi (873.63 km) |
| Kazincbarcika to Osimo | 476.42 mi (766.73 km) |
| Kazincbarcika to Ospitaletto | 532.20 mi (856.50 km) |
| Kazincbarcika to Ostuni | 540.93 mi (870.54 km) |
| Kazincbarcika to Ottaviano | 594.41 mi (956.61 km) |
| Kazincbarcika to Ovada | 622.56 mi (1,001.92 km) |
| Kazincbarcika to Ozieri | 779.96 mi (1,255.22 km) |
| Kazincbarcika to Paceco | 817.59 mi (1,315.78 km) |
| Kazincbarcika to Pachino | 845.11 mi (1,360.08 km) |
