| Seacombe to Opole | 907.34 mi (1,460.22 km) |
| Seacombe to Orzesze | 953.75 mi (1,534.91 km) |
| Seacombe to Osowa | 874.26 mi (1,406.99 km) |
| Seacombe to Ostroda | 939.96 mi (1,512.72 km) |
| Seacombe to Ostroleka | 1,012.31 mi (1,629.15 km) |
| Seacombe to Ostrow Mazowiecka | 1,029.66 mi (1,657.07 km) |
| Seacombe to Ostrow Wielkopolski | 881.36 mi (1,418.42 km) |
| Seacombe to Ostrowiec Swietokrzyski | 1,043.90 mi (1,679.99 km) |
| Seacombe to Ostrzeszow | 890.77 mi (1,433.56 km) |
| Seacombe to Oswiecim | 976.02 mi (1,570.74 km) |
| Seacombe to Otwock | 1,014.74 mi (1,633.07 km) |
| Seacombe to Ozarow Mazowiecki | 993.87 mi (1,599.47 km) |
| Seacombe to Ozimek | 918.69 mi (1,478.49 km) |
| Seacombe to Ozorkow | 935.89 mi (1,506.17 km) |
| Seacombe to Pabianice | 945.87 mi (1,522.24 km) |
