| Risca to Barking | 136.24 mi (219.25 km) |
| Risca to Barnet | 124.03 mi (199.61 km) |
| Risca to Barnoldswick | 163.77 mi (263.56 km) |
| Risca to Barnsley | 150.56 mi (242.30 km) |
| Risca to Barnstaple | 55.50 mi (89.31 km) |
| Risca to Barrhead | 294.52 mi (473.98 km) |
| Risca to Barri | 16.00 mi (25.75 km) |
| Risca to Barrow in Furness | 173.02 mi (278.45 km) |
| Risca to Barton upon Humber | 181.13 mi (291.50 km) |
| Risca to Barton upon Irwell | 132.67 mi (213.51 km) |
| Risca to Barwell | 99.44 mi (160.03 km) |
| Risca to Basford | 124.72 mi (200.72 km) |
| Risca to Basildon | 153.70 mi (247.36 km) |
| Risca to Basingstoke | 89.45 mi (143.95 km) |
| Risca to Bath | 35.17 mi (56.60 km) |
