| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| XBRO (Skye Bridge Ashaig Airport) | airport | United Kingdom | 57.25 | -5.83 | 0 | ||
| XGM | city | County of Lincolnshire | United Kingdom | 52.90 | -0.63 | 249 | 31170 |
| XHU | city | County of Cambridgeshire | United Kingdom | 52.33 | -0.18 | 101 | 12552 |
| XHV (CONINGTON) | airport | United Kingdom | 52.47 | -0.25 | 26 | 0 | |
| XMZ | city | Cheshire East | United Kingdom | 53.25 | -2.12 | 830 | 28123 |
| XNE | city | Casnewydd | United Kingdom | 51.58 | -2.98 | 3 | 54692 |
| XNO | city | County of North Yorkshire | United Kingdom | 54.33 | -1.43 | 219 | 12625 |
| XNV | city | County of Warwickshire | United Kingdom | 52.52 | -1.47 | 269 | 99728 |
| XPF | city | County of Cumbria | United Kingdom | 54.65 | -2.73 | 830 | 1788 |
| XPLO (Plockton Airstrip) | airport | United Kingdom | 57.34 | -5.67 | 226 | 0 | |
| XPW | city | County of Oxfordshire | United Kingdom | 51.60 | -1.25 | 242 | 15637 |
| XQB | city | County of Hampshire | United Kingdom | 51.27 | -1.08 | 285 | 47460 |
| XQD | city | Borough of Bedford | United Kingdom | 52.13 | -0.45 | 154 | 44291 |
| XQL | city | County of Lancashire | United Kingdom | 54.07 | -2.83 | 32 | 28108 |
| XQM | city | County of Leicestershire | United Kingdom | 52.47 | -0.92 | 308 | 5983 |
| XQT | city | County of Staffordshire | United Kingdom | 52.68 | -1.82 | 259 | 30035 |
| XQW | city | North Lanarkshire | United Kingdom | 55.78 | -4.00 | 246 | 41155 |
| XRC | city | Borough of Halton | United Kingdom | 53.33 | -2.75 | 3 | 81739 |
| XRE | city | Reading | United Kingdom | 51.43 | -1.00 | 167 | 168673 |
| XRG | city | County of Staffordshire | United Kingdom | 52.77 | -1.93 | 226 | 38351 |
| XRU | city | County of Warwickshire | United Kingdom | 52.37 | -1.25 | 360 | 26968 |
| XSR | city | Wiltshire | United Kingdom | 51.07 | -1.78 | 193 | 32475 |
| XTK | city | County of North Yorkshire | United Kingdom | 54.22 | -1.33 | 124 | 1639 |
| XVA | city | Stockport | United Kingdom | 53.40 | -2.15 | 252 | 171250 |
| XVB | city | St. Helens | United Kingdom | 52.80 | -2.10 | 249 | 52135 |
| XVC | city | Cheshire East | United Kingdom | 53.10 | -2.43 | 150 | 50519 |
| XVG | city | Darlington | United Kingdom | 54.53 | -1.57 | 209 | 38279 |
| XVH | city | Peterborough | United Kingdom | 52.58 | -0.25 | 91 | 53878 |
| XVJ | city | County of Hertfordshire | United Kingdom | 51.92 | -0.22 | 262 | 95202 |
| XVW | city | Wolverhampton | United Kingdom | 52.58 | -2.13 | 830 | 236518 |
| XWB | city | Stirling | United Kingdom | 56.12 | -3.95 | 154 | 31186 |
| XWD | city | Wakefield | United Kingdom | 53.70 | -1.48 | 164 | 81527 |
| XWE | city | County of Northamptonshire | United Kingdom | 52.30 | -0.70 | 213 | 45224 |
| XWH | city | Stoke-on-Trent | United Kingdom | 53.00 | -2.18 | 830 | 171431 |
| XWI | city | Wigan | United Kingdom | 53.53 | -2.62 | 216 | 123874 |
| XWO | city | County of Surrey | United Kingdom | 51.32 | -0.53 | 118 | 90034 |
| XWS | city | Swindon | United Kingdom | 51.52 | -1.78 | 830 | 59864 |