| Derry to Thorigny-sur-Marne | 600.28 mi (966.06 km) |
| Derry to Thouare-sur-Loire | 591.31 mi (951.62 km) |
| Derry to Thouars | 633.99 mi (1,020.31 km) |
| Derry to Tinqueux | 622.00 mi (1,001.02 km) |
| Derry to Tomblaine | 722.28 mi (1,162.40 km) |
| Derry to Tonneins | 807.27 mi (1,299.18 km) |
| Derry to Torcy | 600.06 mi (965.70 km) |
| Derry to Toul | 712.01 mi (1,145.87 km) |
| Derry to Toulon | 1,012.86 mi (1,630.04 km) |
| Derry to Toulouse | 879.17 mi (1,414.89 km) |
| Derry to Tourcoing | 527.30 mi (848.61 km) |
| Derry to Tourlaville | 442.31 mi (711.83 km) |
| Derry to Tournan-en-Brie | 609.27 mi (980.53 km) |
| Derry to Tournefeuille | 878.41 mi (1,413.67 km) |
| Derry to Tournon-sur-Rhone | 870.46 mi (1,400.87 km) |
