From Welton Hill, Lincolnshire to all cities in Gwynedd starting with letter T
- Tabor, Lincolnshire
- Tai morfa, Lincolnshire
- Tain Iôn, Lincolnshire
- Tal y bont, Lincolnshire
- Tal y bont, Lincolnshire
- Tal y llyn, Lincolnshire
- Tal y waenydd, Lincolnshire
- Talardd, Lincolnshire
- Talsarnau, Lincolnshire
- Talwrn, Lincolnshire
- Talysarn, Lincolnshire
- Tan lan, Lincolnshire
- Tan y bwlch, Lincolnshire
- Tan y coed, Lincolnshire
- Tan y maes, Lincolnshire
- Tan y mynydd, Lincolnshire
- Tanygrisiau, Lincolnshire
- Tanysgafell, Lincolnshire
- Tonfanau, Lincolnshire
- Trawsfynydd, Lincolnshire
- Trer Llan, Lincolnshire
- Trearddur, Lincolnshire
- Trefaes, Lincolnshire
- Trefdraeth, Lincolnshire
- Trefeini, Lincolnshire
- Trefgraig, Lincolnshire
- Trefor, Lincolnshire
- Trefor, Lincolnshire
- Tregaian, Lincolnshire
- Tregarth, Lincolnshire
- Tregele, Lincolnshire
- Tremadog, Lincolnshire
- Tryfil, Lincolnshire
- Tudweiliog, Lincolnshire
- Twr, Lincolnshire
- Tyddyn Dai, Lincolnshire
- Tyn lon, Lincolnshire
- Tynygongl, Lincolnshire
- Tywyn, Lincolnshire
- Tywyn Fferam, Lincolnshire