| Harrow Weald to Benisa | 890.78 mi (1,433.57 km) |
| Harrow Weald to Berga | 664.64 mi (1,069.64 km) |
| Harrow Weald to Berja | 1,027.70 mi (1,653.92 km) |
| Harrow Weald to Bermeo | 576.25 mi (927.38 km) |
| Harrow Weald to Berriozar | 608.99 mi (980.08 km) |
| Harrow Weald to Betanzos | 681.87 mi (1,097.37 km) |
| Harrow Weald to Betera | 829.96 mi (1,335.69 km) |
| Harrow Weald to Bilbao | 589.14 mi (948.14 km) |
| Harrow Weald to Binefar | 674.61 mi (1,085.68 km) |
| Harrow Weald to Binisalem | 837.58 mi (1,347.95 km) |
| Harrow Weald to Blanes | 701.82 mi (1,129.47 km) |
| Harrow Weald to Boadilla del Monte | 791.79 mi (1,274.26 km) |
| Harrow Weald to Boiro | 736.93 mi (1,185.97 km) |
| Harrow Weald to Bolanos de Calatrava | 893.90 mi (1,438.60 km) |
| Harrow Weald to Bollullos de la Mitacion | 1,025.75 mi (1,650.78 km) |
