| Les Clayes-sous-Bois to Benevento | 818.73 mi (1,317.62 km) |
| Les Clayes-sous-Bois to Bergamo | 419.89 mi (675.75 km) |
| Les Clayes-sous-Bois to Bernalda | 924.50 mi (1,487.84 km) |
| Les Clayes-sous-Bois to Bertinoro | 580.01 mi (933.44 km) |
| Les Clayes-sous-Bois to Besana in Brianza | 404.27 mi (650.62 km) |
| Les Clayes-sous-Bois to Besozzo | 374.03 mi (601.94 km) |
| Les Clayes-sous-Bois to Biancavilla | 1,005.26 mi (1,617.81 km) |
| Les Clayes-sous-Bois to Biassono | 406.27 mi (653.83 km) |
| Les Clayes-sous-Bois to Bibbiano | 493.18 mi (793.70 km) |
| Les Clayes-sous-Bois to Bibbiena | 587.29 mi (945.15 km) |
| Les Clayes-sous-Bois to Biella | 363.28 mi (584.65 km) |
| Les Clayes-sous-Bois to Bisceglie | 878.99 mi (1,414.59 km) |
| Les Clayes-sous-Bois to Bisignano | 953.93 mi (1,535.20 km) |
| Les Clayes-sous-Bois to Bitetto | 898.13 mi (1,445.41 km) |
| Les Clayes-sous-Bois to Bitonto | 891.71 mi (1,435.06 km) |
