| Watford to Brezovica | 775.98 mi (1,248.82 km) |
| Watford to Cankova | 813.53 mi (1,309.26 km) |
| Watford to Celje | 801.09 mi (1,289.23 km) |
| Watford to Cerklje na Gorenjskem | 769.61 mi (1,238.56 km) |
| Watford to Cerknica | 782.76 mi (1,259.73 km) |
| Watford to Cerkno | 755.03 mi (1,215.10 km) |
| Watford to Cerkvenjak | 815.97 mi (1,313.17 km) |
| Watford to Cirkulane | 826.16 mi (1,329.57 km) |
| Watford to Crensovci | 829.89 mi (1,335.58 km) |
| Watford to Crna na Koroskem | 775.54 mi (1,248.11 km) |
| Watford to Crnomelj | 824.28 mi (1,326.55 km) |
| Watford to Destrnik | 816.10 mi (1,313.38 km) |
| Watford to Divaca | 772.56 mi (1,243.32 km) |
| Watford to Dobje | 809.94 mi (1,303.47 km) |
| Watford to Dobrna | 795.68 mi (1,280.53 km) |
