| Trets to Beausoleil | 89.31 mi (143.74 km) |
| Trets to Beauvais | 447.24 mi (719.76 km) |
| Trets to Begles | 323.05 mi (519.90 km) |
| Trets to Belfort | 295.13 mi (474.97 km) |
| Trets to Bellegarde-sur-Valserine | 183.96 mi (296.05 km) |
| Trets to Bellerive-sur-Allier | 215.71 mi (347.15 km) |
| Trets to Bellevue | 406.60 mi (654.36 km) |
| Trets to Belley | 159.76 mi (257.12 km) |
| Trets to Berck-sur-Mer | 518.11 mi (833.81 km) |
| Trets to Bergerac | 275.63 mi (443.59 km) |
| Trets to Bernay | 459.10 mi (738.84 km) |
| Trets to Berre-l'Etang | 26.04 mi (41.91 km) |
| Trets to Besancon | 262.58 mi (422.58 km) |
| Trets to Bethune | 509.91 mi (820.62 km) |
| Trets to Betton | 480.90 mi (773.94 km) |
