| Southwater to Opole | 796.09 mi (1,281.18 km) |
| Southwater to Orzesze | 837.80 mi (1,348.31 km) |
| Southwater to Osowa | 819.18 mi (1,318.34 km) |
| Southwater to Ostroda | 873.83 mi (1,406.29 km) |
| Southwater to Ostroleka | 938.30 mi (1,510.05 km) |
| Southwater to Ostrow Mazowiecka | 952.45 mi (1,532.82 km) |
| Southwater to Ostrow Wielkopolski | 783.44 mi (1,260.82 km) |
| Southwater to Ostrowiec Swietokrzyski | 942.85 mi (1,517.38 km) |
| Southwater to Ostrzeszow | 789.73 mi (1,270.95 km) |
| Southwater to Oswiecim | 859.83 mi (1,383.77 km) |
| Southwater to Otwock | 928.05 mi (1,493.55 km) |
| Southwater to Ozarow Mazowiecki | 907.88 mi (1,461.09 km) |
| Southwater to Ozimek | 808.12 mi (1,300.55 km) |
| Southwater to Ozorkow | 844.58 mi (1,359.22 km) |
| Southwater to Pabianice | 850.41 mi (1,368.60 km) |
