| Niederkassel to Tricase | 929.42 mi (1,495.76 km) |
| Niederkassel to Trieste | 472.43 mi (760.30 km) |
| Niederkassel to Triggiano | 822.64 mi (1,323.91 km) |
| Niederkassel to Trinitapoli | 783.97 mi (1,261.67 km) |
| Niederkassel to Trissino | 413.86 mi (666.04 km) |
| Niederkassel to Triuggio | 370.33 mi (595.98 km) |
| Niederkassel to Trofarello | 404.35 mi (650.73 km) |
| Niederkassel to Troina | 973.91 mi (1,567.36 km) |
| Niederkassel to Turin | 397.53 mi (639.77 km) |
| Niederkassel to Udine | 433.82 mi (698.17 km) |
| Niederkassel to Ugento | 923.80 mi (1,486.71 km) |
| Niederkassel to Umbertide | 575.80 mi (926.65 km) |
| Niederkassel to Urbino | 555.58 mi (894.12 km) |
| Niederkassel to Urgnano | 380.82 mi (612.88 km) |
| Niederkassel to Usmate Velate | 372.52 mi (599.51 km) |
