| Portsmouth to Todi | 843.53 mi (1,357.54 km) |
| Portsmouth to Tolentino | 854.24 mi (1,374.77 km) |
| Portsmouth to Tolmezzo | 711.16 mi (1,144.50 km) |
| Portsmouth to Torre Annunziata | 1,017.06 mi (1,636.80 km) |
| Portsmouth to Torre Boldone | 607.18 mi (977.16 km) |
| Portsmouth to Torre del Greco | 1,013.89 mi (1,631.69 km) |
| Portsmouth to Torre Maggiore | 1,000.74 mi (1,610.54 km) |
| Portsmouth to Torre Santa Susanna | 1,150.62 mi (1,851.74 km) |
| Portsmouth to Torri di Quartesolo | 688.78 mi (1,108.48 km) |
| Portsmouth to Tortoli | 912.26 mi (1,468.15 km) |
| Portsmouth to Tortona | 615.32 mi (990.26 km) |
| Portsmouth to Tortoreto | 896.87 mi (1,443.37 km) |
| Portsmouth to Tradate | 579.05 mi (931.89 km) |
| Portsmouth to Trani | 1,062.80 mi (1,710.41 km) |
| Portsmouth to Trapani | 1,105.94 mi (1,779.84 km) |
