| Similarity | Rank | |
|---|---|---|
| Medway | 0.872 | 64480 |
| Thames | 0.866 | 17509 |
| Mersey | 0.852 | 60486 |
| Humber | 0.812 | 47169 |
| Anglesey | 0.805 | 69505 |
| Conwy | 0.805 | 93369 |
| Wye | 0.803 | 57923 |
| Hawkesbury | 0.802 | 98911 |
| Gower | 0.796 | 65028 |
| Seaton | 0.795 | 75942 |
| Gloucester | 0.794 | 26208 |
| Wareham | 0.793 | 98269 |
| Derwent | 0.791 | 71381 |
| Lewes | 0.788 | 63426 |
| Cornwall | 0.788 | 16297 |
| Northumberland | 0.786 | 33208 |
| Wessex | 0.784 | 58273 |
| Blyth | 0.784 | 77472 |
| Grimsby | 0.781 | 73874 |
| Whitehaven | 0.779 | 92787 |
| Thanet | 0.777 | 96252 |
| Shrewsbury | 0.777 | 45491 |
| Broughton | 0.775 | 55963 |
| Shropshire | 0.774 | 36569 |
| Pembrokeshire | 0.774 | 61841 |