| Irthlingborough to Bois-Colombes | 267.08 mi (429.83 km) |
| Irthlingborough to Bois-d'Arcy | 269.62 mi (433.92 km) |
| Irthlingborough to Bois-Guillaume | 211.15 mi (339.81 km) |
| Irthlingborough to Boissy-Saint-Leger | 282.40 mi (454.48 km) |
| Irthlingborough to Bolbec | 195.92 mi (315.30 km) |
| Irthlingborough to Bollene | 607.56 mi (977.77 km) |
| Irthlingborough to Bondoufle | 288.17 mi (463.76 km) |
| Irthlingborough to Bondues | 194.84 mi (313.56 km) |
| Irthlingborough to Bondy | 272.58 mi (438.67 km) |
| Irthlingborough to Bonneuil-sur-Marne | 280.47 mi (451.37 km) |
| Irthlingborough to Bonneville | 534.70 mi (860.52 km) |
| Irthlingborough to Bordeaux | 517.10 mi (832.19 km) |
| Irthlingborough to Borgo | 820.46 mi (1,320.41 km) |
| Irthlingborough to Bouc-Bel-Air | 672.91 mi (1,082.94 km) |
| Irthlingborough to Boucau | 609.38 mi (980.70 km) |
