| Lannion to Tricase | 1,231.67 mi (1,982.18 km) |
| Lannion to Trieste | 834.34 mi (1,342.73 km) |
| Lannion to Triggiano | 1,124.05 mi (1,808.98 km) |
| Lannion to Trinitapoli | 1,078.03 mi (1,734.93 km) |
| Lannion to Trissino | 728.64 mi (1,172.63 km) |
| Lannion to Triuggio | 632.76 mi (1,018.33 km) |
| Lannion to Trofarello | 587.91 mi (946.14 km) |
| Lannion to Troina | 1,176.99 mi (1,894.19 km) |
| Lannion to Turin | 582.18 mi (936.93 km) |
| Lannion to Udine | 800.16 mi (1,287.73 km) |
| Lannion to Ugento | 1,223.19 mi (1,968.54 km) |
| Lannion to Umbertide | 843.27 mi (1,357.11 km) |
| Lannion to Urbino | 841.24 mi (1,353.85 km) |
| Lannion to Urgnano | 653.61 mi (1,051.89 km) |
| Lannion to Usmate Velate | 636.91 mi (1,025.00 km) |
