| Similarity | Rank | |
|---|---|---|
| pembrokeshire | 0.813 | 20558 |
| powys | 0.804 | 15701 |
| radnor | 0.793 | 36388 |
| tregaron | 0.792 | 58681 |
| brecon | 0.785 | 20654 |
| ammanford | 0.781 | 82188 |
| broads | 0.777 | 34542 |
| cambridgeshire | 0.776 | 10492 |
| mid-wales | 0.774 | 28662 |
| peatland | 0.773 | 46207 |
| brecknock | 0.770 | 57509 |
| ceredigion | 0.769 | 50257 |
| cefn | 0.768 | 54844 |
| cumbria | 0.767 | 9190 |
| bowland | 0.766 | 61379 |
| conwy | 0.765 | 24420 |
| meirionnydd | 0.763 | 58430 |
| leintwardine | 0.761 | 80538 |
| betws | 0.761 | 91355 |
| valleys | 0.758 | 31992 |
| gwynedd | 0.758 | 14819 |
| montgomeryshire | 0.757 | 36096 |
| dyfi | 0.756 | 93127 |
| nidderdale | 0.756 | 77285 |
| scalby | 0.755 | 72678 |