| Lachen to Bougival | 331.02 mi (532.72 km) |
| Lachen to Bouguenais | 491.39 mi (790.82 km) |
| Lachen to Boulogne-Billancourt | 325.99 mi (524.63 km) |
| Lachen to Boulogne-sur-Mer | 409.19 mi (658.53 km) |
| Lachen to Bourg-de-Peage | 234.70 mi (377.71 km) |
| Lachen to Bourg-en-Bresse | 184.40 mi (296.76 km) |
| Lachen to Bourg-la-Reine | 321.60 mi (517.57 km) |
| Lachen to Bourg-les-Valence | 244.50 mi (393.48 km) |
| Lachen to Bourges | 303.33 mi (488.16 km) |
| Lachen to Bourgoin-Jallieu | 203.03 mi (326.74 km) |
| Lachen to Bressuire | 440.33 mi (708.64 km) |
| Lachen to Brest | 624.06 mi (1,004.33 km) |
| Lachen to Bretigny-sur-Orge | 318.68 mi (512.87 km) |
| Lachen to Breuillet | 323.80 mi (521.11 km) |
| Lachen to Briancon | 190.42 mi (306.45 km) |
