| Iernut to Bougival | 1,037.79 mi (1,670.17 km) |
| Iernut to Bouguenais | 1,217.94 mi (1,960.09 km) |
| Iernut to Boulogne-Billancourt | 1,033.15 mi (1,662.69 km) |
| Iernut to Boulogne-sur-Mer | 1,070.26 mi (1,722.41 km) |
| Iernut to Bourg-de-Peage | 927.80 mi (1,493.14 km) |
| Iernut to Bourg-en-Bresse | 904.67 mi (1,455.92 km) |
| Iernut to Bourg-la-Reine | 1,029.72 mi (1,657.17 km) |
| Iernut to Bourg-les-Valence | 936.57 mi (1,507.26 km) |
| Iernut to Bourges | 1,030.99 mi (1,659.21 km) |
| Iernut to Bourgoin-Jallieu | 909.45 mi (1,463.62 km) |
| Iernut to Bressuire | 1,168.06 mi (1,879.81 km) |
| Iernut to Brest | 1,341.46 mi (2,158.87 km) |
| Iernut to Bretigny-sur-Orge | 1,030.06 mi (1,657.73 km) |
| Iernut to Breuillet | 1,036.21 mi (1,667.63 km) |
| Iernut to Briancon | 854.59 mi (1,375.32 km) |
