| Viersen to Orzesze | 545.26 mi (877.51 km) |
| Viersen to Osowa | 548.54 mi (882.79 km) |
| Viersen to Ostroda | 594.42 mi (956.63 km) |
| Viersen to Ostroleka | 653.70 mi (1,052.03 km) |
| Viersen to Ostrow Mazowiecka | 666.27 mi (1,072.26 km) |
| Viersen to Ostrow Wielkopolski | 491.91 mi (791.66 km) |
| Viersen to Ostrowiec Swietokrzyski | 650.27 mi (1,046.50 km) |
| Viersen to Ostrzeszow | 497.57 mi (800.77 km) |
| Viersen to Oswiecim | 567.37 mi (913.09 km) |
| Viersen to Otwock | 638.58 mi (1,027.69 km) |
| Viersen to Ozarow Mazowiecki | 618.79 mi (995.85 km) |
| Viersen to Ozimek | 515.18 mi (829.11 km) |
| Viersen to Ozorkow | 554.34 mi (892.12 km) |
| Viersen to Pabianice | 559.05 mi (899.71 km) |
| Viersen to Parczew | 708.21 mi (1,139.76 km) |
