| Portchester to Belper | 151.86 mi (244.40 km) |
| Portchester to Bentley | 187.18 mi (301.23 km) |
| Portchester to Berkhampstead | 67.88 mi (109.25 km) |
| Portchester to Berwick-Upon-Tweed | 342.37 mi (551.00 km) |
| Portchester to Beverley | 209.54 mi (337.22 km) |
| Portchester to Bewdley | 117.72 mi (189.46 km) |
| Portchester to Bexleyheath | 69.21 mi (111.38 km) |
| Portchester to Bicester | 73.11 mi (117.66 km) |
| Portchester to Bickenhill | 113.35 mi (182.42 km) |
| Portchester to Bickley | 63.62 mi (102.39 km) |
| Portchester to Biddulph | 163.61 mi (263.30 km) |
| Portchester to Bideford | 135.05 mi (217.34 km) |
| Portchester to Bidston | 195.39 mi (314.45 km) |
| Portchester to Biggleswade | 93.63 mi (150.68 km) |
| Portchester to Billericay | 85.90 mi (138.24 km) |
