| Watford to Argostoli | 1,373.59 mi (2,210.57 km) |
| Watford to Argyroupoli | 1,506.19 mi (2,423.97 km) |
| Watford to Arta | 1,340.41 mi (2,157.19 km) |
| Watford to Artemida | 1,512.17 mi (2,433.60 km) |
| Watford to Aspropyrgos | 1,491.58 mi (2,400.46 km) |
| Watford to Athens | 1,501.13 mi (2,415.83 km) |
| Watford to Chaidari | 1,496.58 mi (2,408.51 km) |
| Watford to Chalandri | 1,502.18 mi (2,417.52 km) |
| Watford to Chalkida | 1,472.21 mi (2,369.30 km) |
| Watford to Chania | 1,639.64 mi (2,638.74 km) |
| Watford to Chios | 1,573.71 mi (2,532.65 km) |
| Watford to Cholargos | 1,503.02 mi (2,418.87 km) |
| Watford to Chrysoupoli | 1,395.68 mi (2,246.13 km) |
| Watford to Dafni | 1,503.04 mi (2,418.92 km) |
| Watford to Diavata | 1,336.83 mi (2,151.43 km) |
