| Penarth to Thornbury | 30.38 mi (48.89 km) |
| Penarth to Thorne | 176.89 mi (284.68 km) |
| Penarth to Thornton | 172.18 mi (277.10 km) |
| Penarth to Thornton Heath | 131.93 mi (212.32 km) |
| Penarth to Thorpe Saint Andrew | 209.09 mi (336.50 km) |
| Penarth to Thundersley | 161.99 mi (260.71 km) |
| Penarth to Tilbury | 151.94 mi (244.52 km) |
| Penarth to Tilehurst | 91.72 mi (147.61 km) |
| Penarth to Timperley | 139.79 mi (224.97 km) |
| Penarth to Tipton | 88.91 mi (143.08 km) |
| Penarth to Tiptree | 170.18 mi (273.87 km) |
| Penarth to Tiverton | 38.93 mi (62.65 km) |
| Penarth to Todmorden | 164.06 mi (264.02 km) |
| Penarth to Tonbridge | 149.68 mi (240.89 km) |
| Penarth to Tonypandy | 17.96 mi (28.91 km) |
