| Boulogne-Billancourt to Tricase | 1,002.67 mi (1,613.64 km) |
| Boulogne-Billancourt to Trieste | 583.12 mi (938.44 km) |
| Boulogne-Billancourt to Triggiano | 893.60 mi (1,438.11 km) |
| Boulogne-Billancourt to Trinitapoli | 848.96 mi (1,366.26 km) |
| Boulogne-Billancourt to Trissino | 483.83 mi (778.65 km) |
| Boulogne-Billancourt to Triuggio | 395.35 mi (636.26 km) |
| Boulogne-Billancourt to Trofarello | 371.35 mi (597.63 km) |
| Boulogne-Billancourt to Troina | 981.89 mi (1,580.20 km) |
| Boulogne-Billancourt to Turin | 364.58 mi (586.73 km) |
| Boulogne-Billancourt to Udine | 547.44 mi (881.02 km) |
| Boulogne-Billancourt to Ugento | 994.96 mi (1,601.23 km) |
| Boulogne-Billancourt to Umbertide | 615.83 mi (991.08 km) |
| Boulogne-Billancourt to Urbino | 608.33 mi (979.01 km) |
| Boulogne-Billancourt to Urgnano | 414.96 mi (667.81 km) |
| Boulogne-Billancourt to Usmate Velate | 399.28 mi (642.59 km) |
