| River Edge to Opole | 4,190.16 mi (6,743.42 km) |
| River Edge to Orzesze | 4,239.23 mi (6,822.39 km) |
| River Edge to Osowa | 4,083.17 mi (6,571.22 km) |
| River Edge to Ostroda | 4,160.59 mi (6,695.83 km) |
| River Edge to Ostroleka | 4,239.60 mi (6,822.98 km) |
| River Edge to Ostrow Mazowiecka | 4,261.02 mi (6,857.45 km) |
| River Edge to Ostrow Wielkopolski | 4,152.14 mi (6,682.22 km) |
| River Edge to Ostrowiec Swietokrzyski | 4,310.54 mi (6,937.14 km) |
| River Edge to Ostrzeszow | 4,164.43 mi (6,702.00 km) |
| River Edge to Oswiecim | 4,261.14 mi (6,857.63 km) |
| River Edge to Otwock | 4,262.81 mi (6,860.32 km) |
| River Edge to Ozarow Mazowiecki | 4,242.30 mi (6,827.33 km) |
| River Edge to Ozimek | 4,200.55 mi (6,760.13 km) |
| River Edge to Ozorkow | 4,195.64 mi (6,752.23 km) |
| River Edge to Pabianice | 4,210.36 mi (6,775.91 km) |
