| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Rhaeadr Gwy | city | Powys | United Kingdom | 52.32 | -3.50 | 994 | 1490 |
| Rhaglan | city | Sir Fynwy | United Kingdom | 51.77 | -2.88 | 246 | 2682 |
| Rhayader | city | Powys | United Kingdom | 52.32 | -3.50 | 994 | 1490 |
| Rhedynfre | city | Cheshire West and Chester | United Kingdom | 53.09 | -2.88 | 95 | 18298 |
| Rhefail | city | Highland | United Kingdom | 58.42 | -4.17 | 830 | 0 |
| Rhewl | city | Sir Ddinbych | United Kingdom | 53.13 | -3.33 | 239 | 8193 |
| Rhian | city | Highland | United Kingdom | 58.12 | -4.43 | 830 | 0 |
| Rhiconich | city | Highland | United Kingdom | 58.42 | -4.98 | 265 | 0 |
| Rhifail | city | Highland | United Kingdom | 58.42 | -4.17 | 830 | 0 |
| Rhigos | city | Rhondda Cynon Taf | United Kingdom | 51.74 | -3.56 | 1007 | 32523 |
| Rhilochan | city | Highland | United Kingdom | 58.03 | -4.12 | 830 | 0 |
| Rhisga | city | Caerffili | United Kingdom | 51.61 | -3.10 | 357 | 52335 |
| Rhiw | city | Gwynedd | United Kingdom | 52.82 | -4.63 | 0 | 1909 |
| Rhiwabon | city | Wrexham | United Kingdom | 52.98 | -3.03 | 282 | 27744 |
| Rhondda | city | Rhondda Cynon Taf | United Kingdom | 51.65 | -3.48 | 853 | 46641 |
| Rhoose | city | Bro Morgannwg | United Kingdom | 51.39 | -3.35 | 3 | 17385 |
| Rhos | city | Wrexham | United Kingdom | 53.00 | -3.07 | 830 | 29523 |
| Rhos | city | Carmarthenshire | United Kingdom | 51.99 | -4.36 | 830 | 317 |
| Rhos-Bayvil | city | Sir Benfro | United Kingdom | 52.05 | -4.77 | 249 | 3310 |
| Rhos-gôch | city | Powys | United Kingdom | 52.12 | -3.18 | 1000 | 1551 |
| Rhos-hill | city | Sir Benfro | United Kingdom | 52.03 | -4.65 | 830 | 4352 |
| Rhos-on-Sea | city | Conwy | United Kingdom | 53.30 | -3.75 | 252 | 25253 |
| Rhosan ar Wy | city | Herefordshire | United Kingdom | 51.92 | -2.57 | 249 | 4492 |
| Rhoscolyn | city | Sir Ynys Mon | United Kingdom | 53.25 | -4.60 | 0 | 1344 |
| Rhoscrowther | city | Sir Benfro | United Kingdom | 51.68 | -5.03 | 3 | 5169 |
| Rhosili | city | Swansea | United Kingdom | 51.57 | -4.28 | 98 | 5025 |
| Rhosilli | city | Swansea | United Kingdom | 51.57 | -4.28 | 98 | 5025 |
| Rhosllanerchrugog | city | Wrexham | United Kingdom | 53.00 | -3.07 | 830 | 29523 |
| Rhosneigir | city | Sir Ynys Mon | United Kingdom | 53.23 | -4.52 | 9 | 1735 |
| Rhosneigr | city | Sir Ynys Mon | United Kingdom | 53.23 | -4.52 | 9 | 1735 |
| Rhossili | city | Swansea | United Kingdom | 51.57 | -4.28 | 98 | 5025 |
| Rhostie | city | Ceredigion | United Kingdom | 52.33 | -4.02 | 830 | 3049 |
| Rhu | city | Argyll and Bute | United Kingdom | 56.02 | -4.77 | 127 | 21922 |
| Rhu | city | Argyll and Bute | United Kingdom | 55.82 | -5.45 | 830 | 0 |
| Rhuddlan | city | Sir Ddinbych | United Kingdom | 53.28 | -3.47 | 236 | 7464 |
| Rhunahaorine | city | Argyll and Bute | United Kingdom | 55.67 | -5.65 | 830 | 0 |
| Rhuthun | city | Sir Ddinbych | United Kingdom | 53.12 | -3.30 | 239 | 8037 |
| Rhyd Lewis | city | Ceredigion | United Kingdom | 52.10 | -4.40 | 830 | 2839 |
| Rhyd Owen | city | Ceredigion | United Kingdom | 52.08 | -4.28 | 830 | 2523 |
| Rhyd-ar-caeau | city | Carmarthenshire | United Kingdom | 51.91 | -4.27 | 830 | 10618 |
| Rhyd-cymmerau | city | Carmarthenshire | United Kingdom | 52.02 | -4.07 | 830 | 0 |
| Rhyd-y-felin | city | Ceredigion | United Kingdom | 52.38 | -4.07 | 364 | 6581 |
| Rhydaman | city | Carmarthenshire | United Kingdom | 51.79 | -3.99 | 285 | 34105 |
| Rhydargaeau | city | Carmarthenshire | United Kingdom | 51.91 | -4.27 | 830 | 10618 |
| Rhydcwmerau | city | Carmarthenshire | United Kingdom | 52.02 | -4.07 | 830 | 0 |
| Rhyddlan | city | Sir Ddinbych | United Kingdom | 53.28 | -3.47 | 236 | 7464 |
| Rhydlafr | city | Cardiff | United Kingdom | 51.51 | -3.27 | 187 | 130314 |
| Rhydychen | city | Oxfordshire | United Kingdom | 51.75 | -1.25 | 226 | 154931 |
| Rhydymwyn | city | Flintshire | United Kingdom | 53.18 | -3.18 | 830 | 22737 |
| Rhydywrach | city | Carmarthenshire | United Kingdom | 51.85 | -4.66 | 249 | 1378 |
| Rhyl | city | Sir Ddinbych | United Kingdom | 53.32 | -3.50 | 203 | 8120 |
| Rhymney | city | Caerffili | United Kingdom | 51.77 | -3.28 | 1000 | 45548 |
| Rhymni | city | Caerffili | United Kingdom | 51.77 | -3.28 | 1000 | 45548 |
| Rhynie | city | Aberdeenshire | United Kingdom | 57.32 | -2.83 | 980 | 1043 |
| Rhôs-y-llan | city | Gwynedd | United Kingdom | 52.90 | -4.63 | 193 | 1753 |