| Porvoo to Traversetolo | 1,257.09 mi (2,023.09 km) |
| Porvoo to Trebaseleghe | 1,164.32 mi (1,873.80 km) |
| Porvoo to Trebisacce | 1,471.61 mi (2,368.33 km) |
| Porvoo to Trecastagni | 1,640.48 mi (2,640.10 km) |
| Porvoo to Trecate | 1,243.43 mi (2,001.11 km) |
| Porvoo to Treia | 1,287.71 mi (2,072.37 km) |
| Porvoo to Trento | 1,152.69 mi (1,855.07 km) |
| Porvoo to Trentola | 1,427.96 mi (2,298.08 km) |
| Porvoo to Trepuzzi | 1,419.22 mi (2,284.01 km) |
| Porvoo to Trescore Balneario | 1,202.31 mi (1,934.94 km) |
| Porvoo to Treviglio | 1,218.93 mi (1,961.68 km) |
| Porvoo to Trevignano | 1,153.97 mi (1,857.13 km) |
| Porvoo to Treviso | 1,154.98 mi (1,858.76 km) |
| Porvoo to Trezzano sul Naviglio | 1,235.96 mi (1,989.08 km) |
| Porvoo to Trezzo sull'Adda | 1,215.14 mi (1,955.57 km) |
