| Cwmbran to Barking | 133.32 mi (214.55 km) |
| Cwmbran to Barnet | 120.95 mi (194.64 km) |
| Cwmbran to Barnoldswick | 160.08 mi (257.63 km) |
| Cwmbran to Barnsley | 146.45 mi (235.69 km) |
| Cwmbran to Barnstaple | 59.80 mi (96.24 km) |
| Cwmbran to Barrhead | 291.99 mi (469.91 km) |
| Cwmbran to Barri | 20.20 mi (32.51 km) |
| Cwmbran to Barrow in Furness | 170.03 mi (273.64 km) |
| Cwmbran to Barton upon Humber | 176.85 mi (284.61 km) |
| Cwmbran to Barton upon Irwell | 128.98 mi (207.57 km) |
| Cwmbran to Barwell | 95.12 mi (153.08 km) |
| Cwmbran to Basford | 120.41 mi (193.78 km) |
| Cwmbran to Basildon | 150.70 mi (242.52 km) |
| Cwmbran to Basingstoke | 87.40 mi (140.66 km) |
| Cwmbran to Bath | 34.11 mi (54.89 km) |
