| Porvoo to Tricase | 1,448.07 mi (2,330.45 km) |
| Porvoo to Trieste | 1,128.29 mi (1,815.81 km) |
| Porvoo to Triggiano | 1,386.30 mi (2,231.04 km) |
| Porvoo to Trinitapoli | 1,377.01 mi (2,216.08 km) |
| Porvoo to Trissino | 1,178.87 mi (1,897.21 km) |
| Porvoo to Triuggio | 1,217.19 mi (1,958.87 km) |
| Porvoo to Trofarello | 1,293.75 mi (2,082.09 km) |
| Porvoo to Troina | 1,635.38 mi (2,631.89 km) |
| Porvoo to Turin | 1,289.25 mi (2,074.84 km) |
| Porvoo to Udine | 1,111.23 mi (1,788.36 km) |
| Porvoo to Ugento | 1,449.95 mi (2,333.48 km) |
| Porvoo to Umbertide | 1,305.27 mi (2,100.62 km) |
| Porvoo to Urbino | 1,272.41 mi (2,047.74 km) |
| Porvoo to Urgnano | 1,212.03 mi (1,950.57 km) |
| Porvoo to Usmate Velate | 1,216.36 mi (1,957.54 km) |
