| Watford to Chaudfontaine | 271.67 mi (437.21 km) |
| Watford to Chaumont-Gistoux | 230.46 mi (370.88 km) |
| Watford to Chimay | 233.50 mi (375.78 km) |
| Watford to Ciney | 256.68 mi (413.08 km) |
| Watford to Colfontaine | 203.70 mi (327.82 km) |
| Watford to Courcelles | 223.06 mi (358.98 km) |
| Watford to Court-Saint-Etienne | 226.34 mi (364.25 km) |
| Watford to Couvin | 239.91 mi (386.10 km) |
| Watford to Damme | 160.84 mi (258.85 km) |
| Watford to De Haan | 149.94 mi (241.31 km) |
| Watford to De Panne | 134.37 mi (216.25 km) |
| Watford to De Pinte | 180.41 mi (290.34 km) |
| Watford to Deerlijk | 171.30 mi (275.68 km) |
| Watford to Deinze | 175.87 mi (283.04 km) |
| Watford to Denderleeuw | 200.79 mi (323.15 km) |
