| Southborough to Bagnolet | 184.87 mi (297.52 km) |
| Southborough to Bagnols-sur-Ceze | 523.99 mi (843.27 km) |
| Southborough to Bailleul | 111.35 mi (179.20 km) |
| Southborough to Balma | 524.78 mi (844.55 km) |
| Southborough to Bar-le-Duc | 273.20 mi (439.67 km) |
| Southborough to Barentin | 115.66 mi (186.14 km) |
| Southborough to Basse-Goulaine | 283.50 mi (456.25 km) |
| Southborough to Bastia | 726.42 mi (1,169.06 km) |
| Southborough to Bayeux | 136.85 mi (220.25 km) |
| Southborough to Bayonne | 536.16 mi (862.86 km) |
| Southborough to Beaucaire | 547.35 mi (880.88 km) |
| Southborough to Beauchamp | 171.05 mi (275.29 km) |
| Southborough to Beaumont | 395.27 mi (636.12 km) |
| Southborough to Beaumont-sur-Oise | 165.62 mi (266.54 km) |
| Southborough to Beaune | 352.63 mi (567.51 km) |
