| Louth to Bougival | 324.63 mi (522.45 km) |
| Louth to Bouguenais | 433.52 mi (697.69 km) |
| Louth to Boulogne-Billancourt | 327.89 mi (527.69 km) |
| Louth to Boulogne-sur-Mer | 195.00 mi (313.81 km) |
| Louth to Bourg-de-Peage | 618.71 mi (995.72 km) |
| Louth to Bourg-en-Bresse | 546.78 mi (879.96 km) |
| Louth to Bourg-la-Reine | 332.54 mi (535.17 km) |
| Louth to Bourg-les-Valence | 622.09 mi (1,001.15 km) |
| Louth to Bourges | 446.81 mi (719.07 km) |
| Louth to Bourgoin-Jallieu | 587.14 mi (944.91 km) |
| Louth to Bressuire | 451.47 mi (726.57 km) |
| Louth to Brest | 395.37 mi (636.28 km) |
| Louth to Bretigny-sur-Orge | 343.57 mi (552.92 km) |
| Louth to Breuillet | 344.93 mi (555.11 km) |
| Louth to Briancon | 657.14 mi (1,057.57 km) |
