| Fern Down to Bois-Colombes | 227.02 mi (365.35 km) |
| Fern Down to Bois-d'Arcy | 223.55 mi (359.77 km) |
| Fern Down to Bois-Guillaume | 162.61 mi (261.70 km) |
| Fern Down to Boissy-Saint-Leger | 242.75 mi (390.66 km) |
| Fern Down to Bolbec | 135.37 mi (217.86 km) |
| Fern Down to Bollene | 546.96 mi (880.25 km) |
| Fern Down to Bondoufle | 244.09 mi (392.82 km) |
| Fern Down to Bondues | 218.34 mi (351.39 km) |
| Fern Down to Bondy | 235.50 mi (379.01 km) |
| Fern Down to Bonneuil-sur-Marne | 240.94 mi (387.76 km) |
| Fern Down to Bonneville | 501.06 mi (806.37 km) |
| Fern Down to Bordeaux | 416.99 mi (671.08 km) |
| Fern Down to Borgo | 781.68 mi (1,257.99 km) |
| Fern Down to Bouc-Bel-Air | 612.93 mi (986.41 km) |
| Fern Down to Boucau | 503.81 mi (810.81 km) |
