| Irmo to Bougival | 4,211.60 mi (6,777.91 km) |
| Irmo to Bouguenais | 4,085.54 mi (6,575.04 km) |
| Irmo to Boulogne-Billancourt | 4,216.64 mi (6,786.02 km) |
| Irmo to Boulogne-sur-Mer | 4,147.28 mi (6,674.41 km) |
| Irmo to Bourg-de-Peage | 4,436.69 mi (7,140.17 km) |
| Irmo to Bourg-en-Bresse | 4,412.84 mi (7,101.79 km) |
| Irmo to Bourg-la-Reine | 4,221.12 mi (6,793.24 km) |
| Irmo to Bourg-les-Valence | 4,432.23 mi (7,132.99 km) |
| Irmo to Bourges | 4,265.54 mi (6,864.73 km) |
| Irmo to Bourgoin-Jallieu | 4,431.65 mi (7,132.05 km) |
| Irmo to Bressuire | 4,143.58 mi (6,668.45 km) |
| Irmo to Brest | 3,933.57 mi (6,330.48 km) |
| Irmo to Bretigny-sur-Orge | 4,224.70 mi (6,799.00 km) |
| Irmo to Breuillet | 4,220.00 mi (6,791.43 km) |
| Irmo to Briancon | 4,511.51 mi (7,260.57 km) |
