| Boulogne-sur-Mer to Tricase | 1,099.03 mi (1,768.72 km) |
| Boulogne-sur-Mer to Trieste | 659.47 mi (1,061.31 km) |
| Boulogne-sur-Mer to Triggiano | 989.86 mi (1,593.02 km) |
| Boulogne-sur-Mer to Trinitapoli | 946.84 mi (1,523.79 km) |
| Boulogne-sur-Mer to Trissino | 572.97 mi (922.10 km) |
| Boulogne-sur-Mer to Triuggio | 495.91 mi (798.09 km) |
| Boulogne-sur-Mer to Trofarello | 487.41 mi (784.42 km) |
| Boulogne-sur-Mer to Troina | 1,097.75 mi (1,766.65 km) |
| Boulogne-sur-Mer to Turin | 480.34 mi (773.04 km) |
| Boulogne-sur-Mer to Udine | 621.66 mi (1,000.47 km) |
| Boulogne-sur-Mer to Ugento | 1,092.00 mi (1,757.40 km) |
| Boulogne-sur-Mer to Umbertide | 718.52 mi (1,156.35 km) |
| Boulogne-sur-Mer to Urbino | 706.79 mi (1,137.47 km) |
| Boulogne-sur-Mer to Urgnano | 513.53 mi (826.44 km) |
| Boulogne-sur-Mer to Usmate Velate | 499.48 mi (803.84 km) |
