| Watford to Travagliato | 638.14 mi (1,026.98 km) |
| Watford to Traversetolo | 692.76 mi (1,114.89 km) |
| Watford to Trebaseleghe | 704.94 mi (1,134.50 km) |
| Watford to Trebisacce | 1,147.61 mi (1,846.90 km) |
| Watford to Trecastagni | 1,227.53 mi (1,975.52 km) |
| Watford to Trecate | 598.44 mi (963.10 km) |
| Watford to Treia | 858.90 mi (1,382.27 km) |
| Watford to Trento | 649.11 mi (1,044.64 km) |
| Watford to Trentola | 1,010.28 mi (1,625.89 km) |
| Watford to Trepuzzi | 1,172.59 mi (1,887.11 km) |
| Watford to Trescore Balneario | 621.69 mi (1,000.51 km) |
| Watford to Treviglio | 621.88 mi (1,000.81 km) |
| Watford to Trevignano | 699.80 mi (1,126.22 km) |
| Watford to Treviso | 707.99 mi (1,139.40 km) |
| Watford to Trezzano sul Naviglio | 609.11 mi (980.26 km) |
