| Middle River to Benisa | 3,971.44 mi (6,391.41 km) |
| Middle River to Berga | 3,952.28 mi (6,360.58 km) |
| Middle River to Berja | 3,883.69 mi (6,250.19 km) |
| Middle River to Bermeo | 3,703.40 mi (5,960.05 km) |
| Middle River to Berriozar | 3,768.19 mi (6,064.32 km) |
| Middle River to Betanzos | 3,450.60 mi (5,553.20 km) |
| Middle River to Betera | 3,919.64 mi (6,308.05 km) |
| Middle River to Bilbao | 3,698.62 mi (5,952.36 km) |
| Middle River to Binefar | 3,888.02 mi (6,257.16 km) |
| Middle River to Binisalem | 4,073.26 mi (6,555.28 km) |
| Middle River to Blanes | 4,008.95 mi (6,451.78 km) |
| Middle River to Boadilla del Monte | 3,732.27 mi (6,006.51 km) |
| Middle River to Boiro | 3,433.01 mi (5,524.90 km) |
| Middle River to Bolanos de Calatrava | 3,784.05 mi (6,089.85 km) |
| Middle River to Bollullos de la Mitacion | 3,711.18 mi (5,972.56 km) |
