| Southborough to Baykan | 2,192.70 mi (3,528.82 km) |
| Southborough to Bayramic | 1,485.48 mi (2,390.65 km) |
| Southborough to Beldibi | 1,689.46 mi (2,718.92 km) |
| Southborough to Belen | 2,029.30 mi (3,265.85 km) |
| Southborough to Bergama | 1,540.13 mi (2,478.60 km) |
| Southborough to Besikduzu | 1,965.77 mi (3,163.60 km) |
| Southborough to Besiri | 2,181.90 mi (3,511.43 km) |
| Southborough to Besni | 2,045.50 mi (3,291.91 km) |
| Southborough to Beydag | 1,630.07 mi (2,623.35 km) |
| Southborough to Beykoz | 1,530.46 mi (2,463.03 km) |
| Southborough to Beylikduzu | 1,517.23 mi (2,441.74 km) |
| Southborough to Beypazari | 1,688.97 mi (2,718.13 km) |
| Southborough to Beysehir | 1,790.32 mi (2,881.25 km) |
| Southborough to Biga | 1,492.66 mi (2,402.21 km) |
| Southborough to Bigadic | 1,565.90 mi (2,520.07 km) |
