| Nairn to Opole | 997.62 mi (1,605.52 km) |
| Nairn to Orzesze | 1,047.89 mi (1,686.42 km) |
| Nairn to Osowa | 885.69 mi (1,425.39 km) |
| Nairn to Ostroda | 961.75 mi (1,547.78 km) |
| Nairn to Ostroleka | 1,040.31 mi (1,674.22 km) |
| Nairn to Ostrow Mazowiecka | 1,061.22 mi (1,707.86 km) |
| Nairn to Ostrow Wielkopolski | 954.09 mi (1,535.45 km) |
| Nairn to Ostrowiec Swietokrzyski | 1,110.08 mi (1,786.50 km) |
| Nairn to Ostrzeszow | 967.29 mi (1,556.70 km) |
| Nairn to Oswiecim | 1,069.11 mi (1,720.57 km) |
| Nairn to Otwock | 1,061.31 mi (1,708.02 km) |
| Nairn to Ozarow Mazowiecki | 1,040.78 mi (1,674.97 km) |
| Nairn to Ozimek | 1,007.16 mi (1,620.86 km) |
| Nairn to Ozorkow | 994.73 mi (1,600.87 km) |
| Nairn to Pabianice | 1,010.11 mi (1,625.61 km) |
