| Cwmbran to Bollullos par del Condado | 1,003.97 mi (1,615.74 km) |
| Cwmbran to Bormujos | 998.20 mi (1,606.45 km) |
| Cwmbran to Brenes | 984.23 mi (1,583.96 km) |
| Cwmbran to Brunete | 778.89 mi (1,253.50 km) |
| Cwmbran to Bueu | 699.38 mi (1,125.54 km) |
| Cwmbran to Bullas | 942.18 mi (1,516.29 km) |
| Cwmbran to Bunol | 852.02 mi (1,371.19 km) |
| Cwmbran to Burela de Cabo | 589.05 mi (947.98 km) |
| Cwmbran to Burgos | 644.20 mi (1,036.74 km) |
| Cwmbran to Burjasot | 848.57 mi (1,365.64 km) |
| Cwmbran to Burriana | 824.77 mi (1,327.34 km) |
| Cwmbran to Cabanaquinta | 602.89 mi (970.26 km) |
| Cwmbran to Cabanillas del Campo | 761.11 mi (1,224.89 km) |
| Cwmbran to Cabra | 982.59 mi (1,581.33 km) |
| Cwmbran to Caceres | 856.04 mi (1,377.66 km) |
