| Watervliet to Opole | 4,093.05 mi (6,587.12 km) |
| Watervliet to Orzesze | 4,142.39 mi (6,666.54 km) |
| Watervliet to Osowa | 3,980.77 mi (6,406.43 km) |
| Watervliet to Ostroda | 4,058.49 mi (6,531.50 km) |
| Watervliet to Ostroleka | 4,137.57 mi (6,658.78 km) |
| Watervliet to Ostrow Mazowiecka | 4,159.17 mi (6,693.54 km) |
| Watervliet to Ostrow Wielkopolski | 4,053.73 mi (6,523.85 km) |
| Watervliet to Ostrowiec Swietokrzyski | 4,211.28 mi (6,777.40 km) |
| Watervliet to Ostrzeszow | 4,066.28 mi (6,544.05 km) |
| Watervliet to Oswiecim | 4,164.20 mi (6,701.63 km) |
| Watervliet to Otwock | 4,162.11 mi (6,698.26 km) |
| Watervliet to Ozarow Mazowiecki | 4,141.70 mi (6,665.43 km) |
| Watervliet to Ozimek | 4,103.28 mi (6,603.59 km) |
| Watervliet to Ozorkow | 4,096.10 mi (6,592.03 km) |
| Watervliet to Pabianice | 4,111.18 mi (6,616.31 km) |
