| Bad Honnef am Rhein to Tricase | 914.90 mi (1,472.38 km) |
| Bad Honnef am Rhein to Trieste | 457.99 mi (737.07 km) |
| Bad Honnef am Rhein to Triggiano | 808.09 mi (1,300.49 km) |
| Bad Honnef am Rhein to Trinitapoli | 769.39 mi (1,238.22 km) |
| Bad Honnef am Rhein to Trissino | 399.34 mi (642.68 km) |
| Bad Honnef am Rhein to Triuggio | 356.55 mi (573.81 km) |
| Bad Honnef am Rhein to Trofarello | 391.89 mi (630.68 km) |
| Bad Honnef am Rhein to Troina | 959.58 mi (1,544.29 km) |
| Bad Honnef am Rhein to Turin | 385.12 mi (619.79 km) |
| Bad Honnef am Rhein to Udine | 419.38 mi (674.93 km) |
| Bad Honnef am Rhein to Ugento | 909.26 mi (1,463.31 km) |
| Bad Honnef am Rhein to Umbertide | 561.37 mi (903.43 km) |
| Bad Honnef am Rhein to Urbino | 541.07 mi (870.77 km) |
| Bad Honnef am Rhein to Urgnano | 366.82 mi (590.34 km) |
| Bad Honnef am Rhein to Usmate Velate | 358.69 mi (577.26 km) |
