| Potomac to Bilecik | 5,297.75 mi (8,525.91 km) |
| Potomac to Bingol | 5,765.76 mi (9,279.10 km) |
| Potomac to Birecik | 5,761.22 mi (9,271.79 km) |
| Potomac to Bitlis | 5,849.70 mi (9,414.19 km) |
| Potomac to Bodrum | 5,329.54 mi (8,577.06 km) |
| Potomac to Bogazliyan | 5,550.37 mi (8,932.46 km) |
| Potomac to Bolu | 5,336.07 mi (8,587.58 km) |
| Potomac to Bolvadin | 5,405.33 mi (8,699.04 km) |
| Potomac to Bor | 5,585.47 mi (8,988.94 km) |
| Potomac to Borcka | 5,684.68 mi (9,148.61 km) |
| Potomac to Boyabat | 5,425.08 mi (8,730.82 km) |
| Potomac to Bozdogan | 5,338.96 mi (8,592.22 km) |
| Potomac to Bozkir | 5,524.07 mi (8,890.14 km) |
| Potomac to Bozkurt | 5,387.08 mi (8,669.66 km) |
| Potomac to Bozuyuk | 5,310.59 mi (8,546.57 km) |
