| Slough to Bougival | 218.87 mi (352.23 km) |
| Slough to Bouguenais | 302.82 mi (487.34 km) |
| Slough to Boulogne-Billancourt | 223.09 mi (359.03 km) |
| Slough to Boulogne-sur-Mer | 109.75 mi (176.63 km) |
| Slough to Bourg-de-Peage | 516.46 mi (831.16 km) |
| Slough to Bourg-en-Bresse | 451.54 mi (726.68 km) |
| Slough to Bourg-la-Reine | 228.16 mi (367.18 km) |
| Slough to Bourg-les-Valence | 518.49 mi (834.43 km) |
| Slough to Bourges | 333.87 mi (537.31 km) |
| Slough to Bourgoin-Jallieu | 488.85 mi (786.73 km) |
| Slough to Bressuire | 322.59 mi (519.15 km) |
| Slough to Brest | 276.53 mi (445.04 km) |
| Slough to Bretigny-sur-Orge | 237.75 mi (382.62 km) |
| Slough to Breuillet | 237.29 mi (381.88 km) |
| Slough to Briancon | 564.56 mi (908.56 km) |
