| Holyhead to Thornbury | 147.18 mi (236.87 km) |
| Holyhead to Thorne | 152.56 mi (245.52 km) |
| Holyhead to Thornton | 118.95 mi (191.43 km) |
| Holyhead to Thornton Heath | 231.98 mi (373.34 km) |
| Holyhead to Thorpe Saint Andrew | 252.89 mi (406.99 km) |
| Holyhead to Thundersley | 250.58 mi (403.26 km) |
| Holyhead to Tilbury | 246.12 mi (396.09 km) |
| Holyhead to Tilehurst | 198.23 mi (319.02 km) |
| Holyhead to Timperley | 95.22 mi (153.24 km) |
| Holyhead to Tipton | 119.50 mi (192.32 km) |
| Holyhead to Tiptree | 248.62 mi (400.11 km) |
| Holyhead to Tiverton | 173.19 mi (278.72 km) |
| Holyhead to Todmorden | 107.91 mi (173.66 km) |
| Holyhead to Tonbridge | 253.64 mi (408.19 km) |
| Holyhead to Tonypandy | 126.71 mi (203.92 km) |
