| Rumia to Opole | 270.17 mi (434.80 km) |
| Rumia to Orzesze | 305.52 mi (491.69 km) |
| Rumia to Osowa | 10.05 mi (16.17 km) |
| Rumia to Ostroda | 87.22 mi (140.37 km) |
| Rumia to Ostroleka | 165.58 mi (266.48 km) |
| Rumia to Ostrow Mazowiecka | 188.14 mi (302.79 km) |
| Rumia to Ostrow Wielkopolski | 203.01 mi (326.72 km) |
| Rumia to Ostrowiec Swietokrzyski | 280.59 mi (451.56 km) |
| Rumia to Ostrzeszow | 218.51 mi (351.65 km) |
| Rumia to Oswiecim | 314.81 mi (506.64 km) |
| Rumia to Otwock | 206.46 mi (332.26 km) |
| Rumia to Ozarow Mazowiecki | 190.09 mi (305.91 km) |
| Rumia to Ozimek | 269.14 mi (433.13 km) |
| Rumia to Ozorkow | 183.31 mi (295.01 km) |
| Rumia to Pabianice | 205.60 mi (330.89 km) |
