| Vianden to Orzesze | 556.10 mi (894.96 km) |
| Vianden to Osowa | 604.04 mi (972.10 km) |
| Vianden to Ostroda | 641.36 mi (1,032.16 km) |
| Vianden to Ostroleka | 693.58 mi (1,116.21 km) |
| Vianden to Ostrow Mazowiecka | 703.68 mi (1,132.46 km) |
| Vianden to Ostrow Wielkopolski | 520.11 mi (837.03 km) |
| Vianden to Ostrowiec Swietokrzyski | 670.98 mi (1,079.84 km) |
| Vianden to Ostrzeszow | 522.94 mi (841.60 km) |
| Vianden to Oswiecim | 577.46 mi (929.34 km) |
| Vianden to Otwock | 670.28 mi (1,078.71 km) |
| Vianden to Ozarow Mazowiecki | 651.59 mi (1,048.63 km) |
| Vianden to Ozimek | 531.69 mi (855.67 km) |
| Vianden to Ozorkow | 585.36 mi (942.05 km) |
| Vianden to Pabianice | 586.70 mi (944.21 km) |
| Vianden to Parczew | 735.49 mi (1,183.66 km) |
