| Catonsville to Trezzo sull'Adda | 4,202.20 mi (6,762.79 km) |
| Catonsville to Tricase | 4,788.53 mi (7,706.39 km) |
| Catonsville to Trieste | 4,380.61 mi (7,049.91 km) |
| Catonsville to Triggiano | 4,681.61 mi (7,534.32 km) |
| Catonsville to Trinitapoli | 4,635.36 mi (7,459.89 km) |
| Catonsville to Trissino | 4,282.23 mi (6,891.58 km) |
| Catonsville to Triuggio | 4,189.51 mi (6,742.36 km) |
| Catonsville to Trofarello | 4,145.06 mi (6,670.83 km) |
| Catonsville to Troina | 4,703.37 mi (7,569.34 km) |
| Catonsville to Turin | 4,139.55 mi (6,661.97 km) |
| Catonsville to Udine | 4,343.89 mi (6,990.82 km) |
| Catonsville to Ugento | 4,779.79 mi (7,692.33 km) |
| Catonsville to Umbertide | 4,400.91 mi (7,082.59 km) |
| Catonsville to Urbino | 4,399.26 mi (7,079.92 km) |
| Catonsville to Urgnano | 4,210.06 mi (6,775.44 km) |
