| Waltham Cross to Norwich | 86.02 mi (138.44 km) |
| Waltham Cross to Nottingham | 99.46 mi (160.06 km) |
| Waltham Cross to Nuneaton | 83.98 mi (135.15 km) |
| Waltham Cross to Oadby | 77.03 mi (123.96 km) |
| Waltham Cross to Oakengates | 123.88 mi (199.37 km) |
| Waltham Cross to Oakham | 74.21 mi (119.43 km) |
| Waltham Cross to Oldbury | 101.41 mi (163.21 km) |
| Waltham Cross to Oldham | 155.32 mi (249.96 km) |
| Waltham Cross to Ollerton | 112.56 mi (181.15 km) |
| Waltham Cross to Olton | 91.47 mi (147.21 km) |
| Waltham Cross to Omagh | 361.29 mi (581.44 km) |
| Waltham Cross to Ormesby | 203.47 mi (327.46 km) |
| Waltham Cross to Ormskirk | 176.63 mi (284.26 km) |
| Waltham Cross to Orpington | 22.28 mi (35.86 km) |
| Waltham Cross to Ossett | 152.24 mi (245.00 km) |
