| Kajaani to Oria | 1,689.21 mi (2,718.52 km) |
| Kajaani to Oristano | 1,849.74 mi (2,976.86 km) |
| Kajaani to Orta Nova | 1,653.42 mi (2,660.92 km) |
| Kajaani to Orte | 1,621.72 mi (2,609.91 km) |
| Kajaani to Ortona | 1,601.14 mi (2,576.79 km) |
| Kajaani to Orvieto | 1,608.78 mi (2,589.08 km) |
| Kajaani to Orzinuovi | 1,469.58 mi (2,365.07 km) |
| Kajaani to Osimo | 1,538.15 mi (2,475.41 km) |
| Kajaani to Ospitaletto | 1,457.12 mi (2,345.00 km) |
| Kajaani to Ostuni | 1,673.86 mi (2,693.81 km) |
| Kajaani to Ottaviano | 1,700.59 mi (2,736.83 km) |
| Kajaani to Ovada | 1,541.68 mi (2,481.10 km) |
| Kajaani to Ozieri | 1,798.35 mi (2,894.17 km) |
| Kajaani to Paceco | 1,917.66 mi (3,086.17 km) |
| Kajaani to Pachino | 1,971.99 mi (3,173.60 km) |
