| Rhondda to Bois-Colombes | 312.61 mi (503.10 km) |
| Rhondda to Bois-d'Arcy | 309.50 mi (498.09 km) |
| Rhondda to Bois-Guillaume | 248.25 mi (399.53 km) |
| Rhondda to Boissy-Saint-Leger | 328.42 mi (528.53 km) |
| Rhondda to Bolbec | 221.42 mi (356.34 km) |
| Rhondda to Bollene | 631.40 mi (1,016.15 km) |
| Rhondda to Bondoufle | 330.03 mi (531.13 km) |
| Rhondda to Bondues | 289.01 mi (465.12 km) |
| Rhondda to Bondy | 320.91 mi (516.45 km) |
| Rhondda to Bonneuil-sur-Marne | 326.59 mi (525.59 km) |
| Rhondda to Bonneville | 587.03 mi (944.74 km) |
| Rhondda to Bordeaux | 485.95 mi (782.05 km) |
| Rhondda to Borgo | 867.75 mi (1,396.52 km) |
| Rhondda to Bouc-Bel-Air | 697.30 mi (1,122.19 km) |
| Rhondda to Boucau | 566.27 mi (911.32 km) |
