| Letterkenny to Tours | 636.03 mi (1,023.59 km) |
| Letterkenny to Trappes | 594.23 mi (956.32 km) |
| Letterkenny to Treillieres | 588.87 mi (947.69 km) |
| Letterkenny to Trelaze | 605.83 mi (974.99 km) |
| Letterkenny to Trets | 995.76 mi (1,602.53 km) |
| Letterkenny to Triel-sur-Seine | 583.72 mi (939.40 km) |
| Letterkenny to Troyes | 682.24 mi (1,097.96 km) |
| Letterkenny to Tulle | 789.15 mi (1,270.02 km) |
| Letterkenny to Urrugne | 845.25 mi (1,360.29 km) |
| Letterkenny to Ussel | 785.02 mi (1,263.37 km) |
| Letterkenny to Vaires-sur-Marne | 608.35 mi (979.05 km) |
| Letterkenny to Valbonne | 1,021.28 mi (1,643.58 km) |
| Letterkenny to Valence | 888.33 mi (1,429.62 km) |
| Letterkenny to Valenciennes | 567.29 mi (912.97 km) |
| Letterkenny to Valentigney | 812.65 mi (1,307.84 km) |
