| Ostrov to Pargas | 780.81 mi (1,256.59 km) |
| Ostrov to Pedersore | 990.81 mi (1,594.55 km) |
| Ostrov to Pieksamaki | 986.59 mi (1,587.77 km) |
| Ostrov to Pirkkala | 873.18 mi (1,405.25 km) |
| Ostrov to Pori | 843.37 mi (1,357.27 km) |
| Ostrov to Porvoo | 854.60 mi (1,375.34 km) |
| Ostrov to Poytya | 810.64 mi (1,304.60 km) |
| Ostrov to Raahe | 1,077.71 mi (1,734.40 km) |
| Ostrov to Raisio | 789.41 mi (1,270.43 km) |
| Ostrov to Raseborg | 784.09 mi (1,261.88 km) |
| Ostrov to Rauma | 817.33 mi (1,315.37 km) |
| Ostrov to Riihimaki | 853.36 mi (1,373.35 km) |
| Ostrov to Rovaniemi | 1,205.40 mi (1,939.91 km) |
| Ostrov to Saaminki | 1,002.10 mi (1,612.73 km) |
| Ostrov to Saarijarvi | 973.24 mi (1,566.27 km) |
