| Rathfarnham to Tricase | 1,477.60 mi (2,377.97 km) |
| Rathfarnham to Trieste | 1,038.79 mi (1,671.77 km) |
| Rathfarnham to Triggiano | 1,368.36 mi (2,202.16 km) |
| Rathfarnham to Trinitapoli | 1,324.80 mi (2,132.07 km) |
| Rathfarnham to Trissino | 952.26 mi (1,532.52 km) |
| Rathfarnham to Triuggio | 871.79 mi (1,403.01 km) |
| Rathfarnham to Trofarello | 852.61 mi (1,372.14 km) |
| Rathfarnham to Troina | 1,462.59 mi (2,353.81 km) |
| Rathfarnham to Turin | 845.85 mi (1,361.26 km) |
| Rathfarnham to Udine | 1,000.79 mi (1,610.61 km) |
| Rathfarnham to Ugento | 1,470.37 mi (2,366.33 km) |
| Rathfarnham to Umbertide | 1,094.14 mi (1,760.85 km) |
| Rathfarnham to Urbino | 1,084.17 mi (1,744.81 km) |
| Rathfarnham to Urgnano | 890.27 mi (1,432.74 km) |
| Rathfarnham to Usmate Velate | 875.52 mi (1,409.02 km) |
