| Mountain Ash to Tonyrefail | 7.08 mi (11.40 km) |
| Mountain Ash to Torquay | 83.96 mi (135.11 km) |
| Mountain Ash to Torton | 74.26 mi (119.52 km) |
| Mountain Ash to Tottenham | 142.09 mi (228.66 km) |
| Mountain Ash to Totteridge | 136.29 mi (219.34 km) |
| Mountain Ash to Tottington | 140.40 mi (225.95 km) |
| Mountain Ash to Towcester | 106.45 mi (171.32 km) |
| Mountain Ash to Tranent | 295.09 mi (474.91 km) |
| Mountain Ash to Tredegar | 8.91 mi (14.33 km) |
| Mountain Ash to Trentham | 102.00 mi (164.15 km) |
| Mountain Ash to Tring | 116.64 mi (187.72 km) |
| Mountain Ash to Troon | 271.71 mi (437.28 km) |
| Mountain Ash to Trowbridge | 56.22 mi (90.48 km) |
| Mountain Ash to Truro | 122.21 mi (196.67 km) |
| Mountain Ash to Twickenham | 131.64 mi (211.85 km) |
