| Louth to Belvedere Marittimo | 1,207.83 mi (1,943.82 km) |
| Louth to Benevento | 1,088.98 mi (1,752.55 km) |
| Louth to Bergamo | 683.79 mi (1,100.45 km) |
| Louth to Bernalda | 1,186.39 mi (1,909.31 km) |
| Louth to Bertinoro | 841.07 mi (1,353.57 km) |
| Louth to Besana in Brianza | 672.74 mi (1,082.68 km) |
| Louth to Besozzo | 647.49 mi (1,042.04 km) |
| Louth to Biancavilla | 1,297.29 mi (2,087.79 km) |
| Louth to Biassono | 676.08 mi (1,088.05 km) |
| Louth to Bibbiano | 764.23 mi (1,229.91 km) |
| Louth to Bibbiena | 857.18 mi (1,379.50 km) |
| Louth to Biella | 648.61 mi (1,043.84 km) |
| Louth to Bisceglie | 1,134.80 mi (1,826.29 km) |
| Louth to Bisignano | 1,225.74 mi (1,972.64 km) |
| Louth to Bitetto | 1,154.04 mi (1,857.24 km) |
