| Conwy to Benisa | 1,023.10 mi (1,646.52 km) |
| Conwy to Berga | 815.67 mi (1,312.70 km) |
| Conwy to Berja | 1,136.32 mi (1,828.73 km) |
| Conwy to Bermeo | 683.12 mi (1,099.38 km) |
| Conwy to Berriozar | 728.37 mi (1,172.19 km) |
| Conwy to Betanzos | 719.40 mi (1,157.76 km) |
| Conwy to Betera | 958.95 mi (1,543.29 km) |
| Conwy to Bilbao | 693.77 mi (1,116.51 km) |
| Conwy to Binefar | 812.52 mi (1,307.62 km) |
| Conwy to Binisalem | 990.44 mi (1,593.96 km) |
| Conwy to Blanes | 858.56 mi (1,381.71 km) |
| Conwy to Boadilla del Monte | 889.45 mi (1,431.43 km) |
| Conwy to Boiro | 770.51 mi (1,240.02 km) |
| Conwy to Bolanos de Calatrava | 994.74 mi (1,600.89 km) |
| Conwy to Bollullos de la Mitacion | 1,107.33 mi (1,782.08 km) |
