| Watford to Tecuci | 1,320.22 mi (2,124.69 km) |
| Watford to Timisoara | 1,061.81 mi (1,708.81 km) |
| Watford to Titu | 1,282.18 mi (2,063.47 km) |
| Watford to Toflea | 1,309.30 mi (2,107.11 km) |
| Watford to Toplita | 1,198.19 mi (1,928.31 km) |
| Watford to Topoloveni | 1,256.45 mi (2,022.06 km) |
| Watford to Tulcea | 1,400.24 mi (2,253.47 km) |
| Watford to Turda | 1,142.54 mi (1,838.74 km) |
| Watford to Turnu Magurele | 1,286.86 mi (2,071.01 km) |
| Watford to Uricani | 1,156.80 mi (1,861.69 km) |
| Watford to Urlati | 1,298.16 mi (2,089.19 km) |
| Watford to Urziceni | 1,325.25 mi (2,132.78 km) |
| Watford to Valea lui Mihai | 1,043.92 mi (1,680.02 km) |
| Watford to Valenii de Munte | 1,283.37 mi (2,065.38 km) |
| Watford to Valu lui Traian | 1,421.40 mi (2,287.52 km) |
