| Carlow to Tricase | 1,486.33 mi (2,392.02 km) |
| Carlow to Trieste | 1,052.16 mi (1,693.28 km) |
| Carlow to Triggiano | 1,377.10 mi (2,216.23 km) |
| Carlow to Trinitapoli | 1,333.04 mi (2,145.32 km) |
| Carlow to Trissino | 962.54 mi (1,549.05 km) |
| Carlow to Triuggio | 879.33 mi (1,415.14 km) |
| Carlow to Trofarello | 855.99 mi (1,377.58 km) |
| Carlow to Troina | 1,464.06 mi (2,356.18 km) |
| Carlow to Turin | 849.36 mi (1,366.91 km) |
| Carlow to Udine | 1,014.46 mi (1,632.62 km) |
| Carlow to Ugento | 1,478.88 mi (2,380.03 km) |
| Carlow to Umbertide | 1,100.98 mi (1,771.86 km) |
| Carlow to Urbino | 1,092.23 mi (1,757.77 km) |
| Carlow to Urgnano | 898.28 mi (1,445.64 km) |
| Carlow to Usmate Velate | 883.15 mi (1,421.29 km) |
