| Porvoo to Ottendorf-Okrilla | 782.92 mi (1,259.99 km) |
| Porvoo to Ottersberg | 799.59 mi (1,286.81 km) |
| Porvoo to Ottobrunn | 1,017.67 mi (1,637.78 km) |
| Porvoo to Ottweiler | 1,051.76 mi (1,692.64 km) |
| Porvoo to Overath | 962.39 mi (1,548.81 km) |
| Porvoo to Oyten | 805.35 mi (1,296.08 km) |
| Porvoo to Paderborn | 881.28 mi (1,418.28 km) |
| Porvoo to Papenburg | 852.95 mi (1,372.69 km) |
| Porvoo to Parchim | 707.85 mi (1,139.17 km) |
| Porvoo to Pasewalk | 646.35 mi (1,040.19 km) |
| Porvoo to Passau | 948.82 mi (1,526.98 km) |
| Porvoo to Pattensen | 824.45 mi (1,326.82 km) |
| Porvoo to Pegnitz | 919.06 mi (1,479.09 km) |
| Porvoo to Peine | 808.79 mi (1,301.62 km) |
| Porvoo to Peissenberg | 1,047.49 mi (1,685.77 km) |
