| Cumayeri to Opole | 920.10 mi (1,480.75 km) |
| Cumayeri to Orzesze | 869.46 mi (1,399.26 km) |
| Cumayeri to Osowa | 1,098.35 mi (1,767.63 km) |
| Cumayeri to Ostroda | 1,022.23 mi (1,645.12 km) |
| Cumayeri to Ostroleka | 949.72 mi (1,528.43 km) |
| Cumayeri to Ostrow Mazowiecka | 926.77 mi (1,491.50 km) |
| Cumayeri to Ostrow Wielkopolski | 970.62 mi (1,562.07 km) |
| Cumayeri to Ostrowiec Swietokrzyski | 831.53 mi (1,338.22 km) |
| Cumayeri to Ostrzeszow | 955.74 mi (1,538.11 km) |
| Cumayeri to Oswiecim | 848.95 mi (1,366.25 km) |
| Cumayeri to Otwock | 901.34 mi (1,450.56 km) |
| Cumayeri to Ozarow Mazowiecki | 918.31 mi (1,477.88 km) |
| Cumayeri to Ozimek | 911.39 mi (1,466.74 km) |
| Cumayeri to Ozorkow | 944.23 mi (1,519.59 km) |
| Cumayeri to Pabianice | 924.84 mi (1,488.38 km) |
