| Irmo to Barberino di Mugello | 4,742.78 mi (7,632.76 km) |
| Irmo to Barcellona-Pozzo di Gotto | 5,121.25 mi (8,241.85 km) |
| Irmo to Bareggio | 4,598.57 mi (7,400.69 km) |
| Irmo to Barga | 4,706.97 mi (7,575.14 km) |
| Irmo to Bari | 5,089.67 mi (8,191.03 km) |
| Irmo to Barletta | 5,056.88 mi (8,138.26 km) |
| Irmo to Baronissi | 5,009.10 mi (8,061.36 km) |
| Irmo to Barrafranca | 5,101.55 mi (8,210.15 km) |
| Irmo to Bassano del Grappa | 4,708.63 mi (7,577.81 km) |
| Irmo to Battipaglia | 5,023.24 mi (8,084.12 km) |
| Irmo to Beinasco | 4,550.17 mi (7,322.80 km) |
| Irmo to Bellinzago Novarese | 4,579.81 mi (7,370.50 km) |
| Irmo to Belluno | 4,717.52 mi (7,592.11 km) |
| Irmo to Belmonte Mezzagno | 5,039.10 mi (8,109.64 km) |
| Irmo to Belpasso | 5,130.64 mi (8,256.96 km) |
