| Sundsvall to Opole | 811.02 mi (1,305.22 km) |
| Sundsvall to Orzesze | 848.12 mi (1,364.92 km) |
| Sundsvall to Osowa | 552.43 mi (889.04 km) |
| Sundsvall to Ostroda | 608.74 mi (979.67 km) |
| Sundsvall to Ostroleka | 663.29 mi (1,067.47 km) |
| Sundsvall to Ostrow Mazowiecka | 684.23 mi (1,101.16 km) |
| Sundsvall to Ostrow Wielkopolski | 743.03 mi (1,195.79 km) |
| Sundsvall to Ostrowiec Swietokrzyski | 806.90 mi (1,298.58 km) |
| Sundsvall to Ostrzeszow | 759.22 mi (1,221.85 km) |
| Sundsvall to Oswiecim | 857.16 mi (1,379.46 km) |
| Sundsvall to Otwock | 725.34 mi (1,167.32 km) |
| Sundsvall to Ozarow Mazowiecki | 715.24 mi (1,151.07 km) |
| Sundsvall to Ozimek | 810.95 mi (1,305.10 km) |
| Sundsvall to Ozorkow | 724.54 mi (1,166.03 km) |
| Sundsvall to Pabianice | 746.71 mi (1,201.71 km) |
