| Porvoo to Tolentino | 1,294.90 mi (2,083.94 km) |
| Porvoo to Tolmezzo | 1,094.07 mi (1,760.73 km) |
| Porvoo to Torre Annunziata | 1,438.70 mi (2,315.36 km) |
| Porvoo to Torre Boldone | 1,204.55 mi (1,938.54 km) |
| Porvoo to Torre del Greco | 1,437.50 mi (2,313.44 km) |
| Porvoo to Torre Maggiore | 1,365.37 mi (2,197.36 km) |
| Porvoo to Torre Santa Susanna | 1,418.03 mi (2,282.10 km) |
| Porvoo to Torri di Quartesolo | 1,177.03 mi (1,894.24 km) |
| Porvoo to Tortoli | 1,571.78 mi (2,529.54 km) |
| Porvoo to Tortona | 1,273.58 mi (2,049.63 km) |
| Porvoo to Tortoreto | 1,311.44 mi (2,110.56 km) |
| Porvoo to Tradate | 1,223.00 mi (1,968.22 km) |
| Porvoo to Trani | 1,378.71 mi (2,218.82 km) |
| Porvoo to Trapani | 1,648.97 mi (2,653.76 km) |
| Porvoo to Travagliato | 1,208.25 mi (1,944.48 km) |
