| Portsmouth to Travagliato | 629.81 mi (1,013.58 km) |
| Portsmouth to Traversetolo | 681.09 mi (1,096.11 km) |
| Portsmouth to Trebaseleghe | 703.01 mi (1,131.38 km) |
| Portsmouth to Trebisacce | 1,136.51 mi (1,829.04 km) |
| Portsmouth to Trecastagni | 1,207.80 mi (1,943.77 km) |
| Portsmouth to Trecate | 584.80 mi (941.14 km) |
| Portsmouth to Treia | 850.50 mi (1,368.74 km) |
| Portsmouth to Trento | 647.04 mi (1,041.30 km) |
| Portsmouth to Trentola | 996.46 mi (1,603.65 km) |
| Portsmouth to Trepuzzi | 1,166.35 mi (1,877.05 km) |
| Portsmouth to Trescore Balneario | 613.52 mi (987.36 km) |
| Portsmouth to Treviglio | 611.85 mi (984.68 km) |
| Portsmouth to Trevignano | 698.76 mi (1,124.54 km) |
| Portsmouth to Treviso | 707.05 mi (1,137.88 km) |
| Portsmouth to Trezzano sul Naviglio | 596.71 mi (960.32 km) |
