| Louth to Benisa | 1,012.39 mi (1,629.28 km) |
| Louth to Berga | 783.14 mi (1,260.34 km) |
| Louth to Berja | 1,150.25 mi (1,851.15 km) |
| Louth to Bermeo | 698.37 mi (1,123.91 km) |
| Louth to Berriozar | 731.60 mi (1,177.40 km) |
| Louth to Betanzos | 791.19 mi (1,273.30 km) |
| Louth to Betera | 951.98 mi (1,532.07 km) |
| Louth to Bilbao | 711.12 mi (1,144.44 km) |
| Louth to Binefar | 795.87 mi (1,280.82 km) |
| Louth to Binisalem | 954.85 mi (1,536.68 km) |
| Louth to Blanes | 818.22 mi (1,316.79 km) |
| Louth to Boadilla del Monte | 913.55 mi (1,470.21 km) |
| Louth to Boiro | 845.46 mi (1,360.63 km) |
| Louth to Bolanos de Calatrava | 1,016.03 mi (1,635.14 km) |
| Louth to Bollullos de la Mitacion | 1,146.02 mi (1,844.34 km) |
