| Watford to Slatina | 1,240.15 mi (1,995.82 km) |
| Watford to Slobozia | 1,361.12 mi (2,190.51 km) |
| Watford to Sovata | 1,196.49 mi (1,925.56 km) |
| Watford to Strehaia | 1,184.54 mi (1,906.33 km) |
| Watford to Suceava | 1,216.49 mi (1,957.75 km) |
| Watford to Targoviste | 1,267.94 mi (2,040.55 km) |
| Watford to Targu Frumos | 1,261.16 mi (2,029.65 km) |
| Watford to Targu Jiu | 1,172.67 mi (1,887.22 km) |
| Watford to Targu Lapus | 1,119.68 mi (1,801.95 km) |
| Watford to Targu Neamt | 1,233.37 mi (1,984.91 km) |
| Watford to Targu Ocna | 1,272.07 mi (2,047.20 km) |
| Watford to Targu Secuiesc | 1,260.64 mi (2,028.80 km) |
| Watford to Targu-Mures | 1,176.27 mi (1,893.03 km) |
| Watford to Tarnaveni | 1,170.62 mi (1,883.94 km) |
| Watford to Tasnad | 1,064.45 mi (1,713.07 km) |
