| Porvoo to Oswestry | 1,196.43 mi (1,925.47 km) |
| Porvoo to Otley | 1,108.43 mi (1,783.85 km) |
| Porvoo to Ovenden | 1,121.22 mi (1,804.43 km) |
| Porvoo to Oxford | 1,185.43 mi (1,907.76 km) |
| Porvoo to Oxted | 1,167.91 mi (1,879.58 km) |
| Porvoo to Padbury | 1,165.67 mi (1,875.97 km) |
| Porvoo to Padiham | 1,133.57 mi (1,824.31 km) |
| Porvoo to Paignton | 1,320.60 mi (2,125.30 km) |
| Porvoo to Paisley | 1,130.82 mi (1,819.89 km) |
| Porvoo to Palmers Green | 1,154.49 mi (1,857.97 km) |
| Porvoo to Parkstone | 1,255.70 mi (2,020.85 km) |
| Porvoo to Partick | 1,126.23 mi (1,812.49 km) |
| Porvoo to Patcham | 1,191.01 mi (1,916.75 km) |
| Porvoo to Peebles | 1,095.21 mi (1,762.57 km) |
| Porvoo to Pelsall | 1,170.23 mi (1,883.31 km) |
