| Mariestad to Opole | 578.62 mi (931.19 km) |
| Mariestad to Orzesze | 622.73 mi (1,002.18 km) |
| Mariestad to Osowa | 344.13 mi (553.82 km) |
| Mariestad to Ostroda | 418.23 mi (673.07 km) |
| Mariestad to Ostroleka | 490.97 mi (790.14 km) |
| Mariestad to Ostrow Mazowiecka | 514.02 mi (827.24 km) |
| Mariestad to Ostrow Wielkopolski | 511.85 mi (823.74 km) |
| Mariestad to Ostrowiec Swietokrzyski | 614.85 mi (989.51 km) |
| Mariestad to Ostrzeszow | 528.69 mi (850.84 km) |
| Mariestad to Oswiecim | 636.29 mi (1,024.01 km) |
| Mariestad to Otwock | 539.94 mi (868.94 km) |
| Mariestad to Ozarow Mazowiecki | 524.27 mi (843.73 km) |
| Mariestad to Ozimek | 581.43 mi (935.71 km) |
| Mariestad to Ozorkow | 512.04 mi (824.04 km) |
| Mariestad to Pabianice | 533.90 mi (859.23 km) |
