| Porvoo to Thornbury | 1,233.08 mi (1,984.45 km) |
| Porvoo to Thorne | 1,096.01 mi (1,763.86 km) |
| Porvoo to Thornton | 1,118.45 mi (1,799.97 km) |
| Porvoo to Thornton Heath | 1,164.51 mi (1,874.10 km) |
| Porvoo to Thorpe Saint Andrew | 1,061.92 mi (1,709.00 km) |
| Porvoo to Thundersley | 1,134.37 mi (1,825.59 km) |
| Porvoo to Tilbury | 1,146.83 mi (1,845.64 km) |
| Porvoo to Tilehurst | 1,191.76 mi (1,917.95 km) |
| Porvoo to Timperley | 1,150.56 mi (1,851.65 km) |
| Porvoo to Tipton | 1,178.13 mi (1,896.01 km) |
| Porvoo to Tiptree | 1,118.18 mi (1,799.54 km) |
| Porvoo to Tiverton | 1,296.53 mi (2,086.56 km) |
| Porvoo to Todmorden | 1,129.71 mi (1,818.09 km) |
| Porvoo to Tonbridge | 1,161.68 mi (1,869.54 km) |
| Porvoo to Tonypandy | 1,262.87 mi (2,032.38 km) |
