| Romeoville to Barberino di Mugello | 4,699.84 mi (7,563.66 km) |
| Romeoville to Barcellona-Pozzo di Gotto | 5,115.54 mi (8,232.67 km) |
| Romeoville to Bareggio | 4,550.63 mi (7,323.53 km) |
| Romeoville to Barga | 4,666.77 mi (7,510.43 km) |
| Romeoville to Bari | 5,047.25 mi (8,122.76 km) |
| Romeoville to Barletta | 5,015.66 mi (8,071.92 km) |
| Romeoville to Baronissi | 4,981.07 mi (8,016.25 km) |
| Romeoville to Barrafranca | 5,108.72 mi (8,221.69 km) |
| Romeoville to Bassano del Grappa | 4,645.48 mi (7,476.18 km) |
| Romeoville to Battipaglia | 4,995.36 mi (8,039.25 km) |
| Romeoville to Beinasco | 4,513.06 mi (7,263.07 km) |
| Romeoville to Bellinzago Novarese | 4,532.16 mi (7,293.80 km) |
| Romeoville to Belluno | 4,648.42 mi (7,480.91 km) |
| Romeoville to Belmonte Mezzagno | 5,044.14 mi (8,117.75 km) |
| Romeoville to Belpasso | 5,131.52 mi (8,258.39 km) |
