| Ostrow Wielkopolski to Mikkeli | 778.82 mi (1,253.38 km) |
| Ostrow Wielkopolski to Mikkelin Maalaiskunta | 777.38 mi (1,251.07 km) |
| Ostrow Wielkopolski to Muhos | 954.30 mi (1,535.80 km) |
| Ostrow Wielkopolski to Muurame | 781.11 mi (1,257.08 km) |
| Ostrow Wielkopolski to Naantali | 630.24 mi (1,014.27 km) |
| Ostrow Wielkopolski to Narpes | 758.71 mi (1,221.03 km) |
| Ostrow Wielkopolski to Nastola | 712.75 mi (1,147.06 km) |
| Ostrow Wielkopolski to Nivala | 886.88 mi (1,427.29 km) |
| Ostrow Wielkopolski to Nokia | 712.05 mi (1,145.94 km) |
| Ostrow Wielkopolski to Nurmijarvi | 665.39 mi (1,070.84 km) |
| Ostrow Wielkopolski to Nurmo | 794.86 mi (1,279.21 km) |
| Ostrow Wielkopolski to Orimattila | 700.68 mi (1,127.63 km) |
| Ostrow Wielkopolski to Orivesi | 735.01 mi (1,182.89 km) |
| Ostrow Wielkopolski to Oulu | 962.61 mi (1,549.17 km) |
| Ostrow Wielkopolski to Oulunsalo | 956.80 mi (1,539.83 km) |
