| Romeoville to Bilecik | 5,584.80 mi (8,987.87 km) |
| Romeoville to Bingol | 6,004.22 mi (9,662.87 km) |
| Romeoville to Birecik | 6,025.73 mi (9,697.48 km) |
| Romeoville to Bitlis | 6,081.75 mi (9,787.63 km) |
| Romeoville to Bodrum | 5,650.02 mi (9,092.83 km) |
| Romeoville to Bogazliyan | 5,816.27 mi (9,360.38 km) |
| Romeoville to Bolu | 5,610.91 mi (9,029.89 km) |
| Romeoville to Bolvadin | 5,696.46 mi (9,167.57 km) |
| Romeoville to Bor | 5,863.47 mi (9,436.35 km) |
| Romeoville to Borcka | 5,900.97 mi (9,496.70 km) |
| Romeoville to Boyabat | 5,678.66 mi (9,138.91 km) |
| Romeoville to Bozdogan | 5,650.85 mi (9,094.17 km) |
| Romeoville to Bozkir | 5,818.94 mi (9,364.69 km) |
| Romeoville to Bozkurt | 5,691.45 mi (9,159.51 km) |
| Romeoville to Bozuyuk | 5,598.94 mi (9,010.62 km) |
