| Porvoo to Oschersleben | 797.86 mi (1,284.03 km) |
| Porvoo to Osnabruck | 872.20 mi (1,403.67 km) |
| Porvoo to Ostbevern | 890.46 mi (1,433.06 km) |
| Porvoo to Osterburg | 742.90 mi (1,195.58 km) |
| Porvoo to Ostercappeln | 863.54 mi (1,389.74 km) |
| Porvoo to Osterhofen | 950.03 mi (1,528.92 km) |
| Porvoo to Osterholz-Scharmbeck | 804.10 mi (1,294.07 km) |
| Porvoo to Osternienburg | 790.18 mi (1,271.67 km) |
| Porvoo to Osterode | 839.84 mi (1,351.60 km) |
| Porvoo to Osterwieck | 814.62 mi (1,311.00 km) |
| Porvoo to Ostfildern | 1,034.03 mi (1,664.11 km) |
| Porvoo to Osthofen | 1,001.89 mi (1,612.39 km) |
| Porvoo to Ostrhauderfehn | 844.06 mi (1,358.38 km) |
| Porvoo to Ostringen | 1,019.57 mi (1,640.84 km) |
| Porvoo to Oststeinbek | 748.29 mi (1,204.26 km) |
