| Watford to Trim | 298.62 mi (480.58 km) |
| Watford to Tuam | 377.22 mi (607.08 km) |
| Watford to Tullamore | 318.97 mi (513.34 km) |
| Watford to Waterford | 289.60 mi (466.07 km) |
| Watford to Wexford | 262.04 mi (421.71 km) |
| Watford to Wicklow | 254.96 mi (410.31 km) |
| Watford to Abano Terme | 705.79 mi (1,135.85 km) |
| Watford to Abbiategrasso | 606.02 mi (975.29 km) |
| Watford to Acate | 1,244.58 mi (2,002.95 km) |
| Watford to Acerra | 1,017.83 mi (1,638.04 km) |
| Watford to Aci Castello | 1,232.93 mi (1,984.22 km) |
| Watford to Aci Catena | 1,229.99 mi (1,979.47 km) |
| Watford to Aci Sant'Antonio | 1,229.49 mi (1,978.68 km) |
| Watford to Acireale | 1,230.01 mi (1,979.51 km) |
| Watford to Acquaviva delle Fonti | 1,104.19 mi (1,777.03 km) |
