| Portes-les-Valence to Tricase | 766.94 mi (1,234.26 km) |
| Portes-les-Valence to Trieste | 435.62 mi (701.06 km) |
| Portes-les-Valence to Triggiano | 662.25 mi (1,065.79 km) |
| Portes-les-Valence to Trinitapoli | 615.55 mi (990.63 km) |
| Portes-les-Valence to Trissino | 319.39 mi (514.01 km) |
| Portes-les-Valence to Triuggio | 220.37 mi (354.66 km) |
| Portes-les-Valence to Trofarello | 139.95 mi (225.23 km) |
| Portes-les-Valence to Troina | 702.25 mi (1,130.16 km) |
| Portes-les-Valence to Turin | 137.57 mi (221.40 km) |
| Portes-les-Valence to Udine | 413.03 mi (664.70 km) |
| Portes-les-Valence to Ugento | 757.85 mi (1,219.64 km) |
| Portes-les-Valence to Umbertide | 385.55 mi (620.48 km) |
| Portes-les-Valence to Urbino | 391.72 mi (630.41 km) |
| Portes-les-Valence to Urgnano | 239.69 mi (385.74 km) |
| Portes-les-Valence to Usmate Velate | 224.05 mi (360.57 km) |
