| Mountain Ash to Thornbury | 36.96 mi (59.49 km) |
| Mountain Ash to Thorne | 167.39 mi (269.38 km) |
| Mountain Ash to Thornton | 159.09 mi (256.03 km) |
| Mountain Ash to Thornton Heath | 141.87 mi (228.32 km) |
| Mountain Ash to Thorpe Saint Andrew | 210.69 mi (339.08 km) |
| Mountain Ash to Thundersley | 170.40 mi (274.24 km) |
| Mountain Ash to Tilbury | 161.21 mi (259.44 km) |
| Mountain Ash to Tilehurst | 101.61 mi (163.52 km) |
| Mountain Ash to Timperley | 125.85 mi (202.54 km) |
| Mountain Ash to Tipton | 80.42 mi (129.42 km) |
| Mountain Ash to Tiptree | 176.84 mi (284.60 km) |
| Mountain Ash to Tiverton | 53.99 mi (86.88 km) |
| Mountain Ash to Todmorden | 150.30 mi (241.88 km) |
| Mountain Ash to Tonbridge | 160.92 mi (258.97 km) |
| Mountain Ash to Tonypandy | 5.12 mi (8.24 km) |
