| Norristown to Bilecik | 5,172.94 mi (8,325.05 km) |
| Norristown to Bingol | 5,641.91 mi (9,079.78 km) |
| Norristown to Birecik | 5,636.71 mi (9,071.41 km) |
| Norristown to Bitlis | 5,726.03 mi (9,215.15 km) |
| Norristown to Bodrum | 5,204.57 mi (8,375.95 km) |
| Norristown to Bogazliyan | 5,425.88 mi (8,732.10 km) |
| Norristown to Bolu | 5,211.44 mi (8,387.01 km) |
| Norristown to Bolvadin | 5,280.46 mi (8,498.08 km) |
| Norristown to Bor | 5,460.75 mi (8,788.22 km) |
| Norristown to Borcka | 5,561.64 mi (8,950.59 km) |
| Norristown to Boyabat | 5,300.90 mi (8,530.97 km) |
| Norristown to Bozdogan | 5,213.98 mi (8,391.09 km) |
| Norristown to Bozkir | 5,399.16 mi (8,689.11 km) |
| Norristown to Bozkurt | 5,262.12 mi (8,468.56 km) |
| Norristown to Bozuyuk | 5,185.76 mi (8,345.68 km) |
