| Penarth to Thorigny-sur-Marne | 314.13 mi (505.54 km) |
| Penarth to Thouare-sur-Loire | 297.86 mi (479.36 km) |
| Penarth to Thouars | 335.40 mi (539.77 km) |
| Penarth to Tinqueux | 349.65 mi (562.72 km) |
| Penarth to Tomblaine | 456.89 mi (735.29 km) |
| Penarth to Tonneins | 512.26 mi (824.41 km) |
| Penarth to Torcy | 313.24 mi (504.11 km) |
| Penarth to Toul | 444.39 mi (715.18 km) |
| Penarth to Toulon | 713.82 mi (1,148.79 km) |
| Penarth to Toulouse | 581.69 mi (936.13 km) |
| Penarth to Tourcoing | 279.04 mi (449.07 km) |
| Penarth to Tourlaville | 141.99 mi (228.52 km) |
| Penarth to Tournan-en-Brie | 322.07 mi (518.32 km) |
| Penarth to Tournefeuille | 581.24 mi (935.42 km) |
| Penarth to Tournon-sur-Rhone | 572.76 mi (921.77 km) |
