| South Portland to Bagnolet | 3,358.30 mi (5,404.66 km) |
| South Portland to Bagnols-sur-Ceze | 3,591.62 mi (5,780.16 km) |
| South Portland to Bailleul | 3,322.53 mi (5,347.10 km) |
| South Portland to Balma | 3,470.48 mi (5,585.20 km) |
| South Portland to Bar-le-Duc | 3,475.55 mi (5,593.36 km) |
| South Portland to Barentin | 3,279.46 mi (5,277.77 km) |
| South Portland to Basse-Goulaine | 3,236.52 mi (5,208.67 km) |
| South Portland to Bastia | 3,852.50 mi (6,200.00 km) |
| South Portland to Bayeux | 3,216.64 mi (5,176.68 km) |
| South Portland to Bayonne | 3,340.03 mi (5,375.26 km) |
| South Portland to Beaucaire | 3,604.03 mi (5,800.13 km) |
| South Portland to Beauchamp | 3,344.88 mi (5,383.07 km) |
| South Portland to Beaumont | 3,475.29 mi (5,592.94 km) |
| South Portland to Beaumont-sur-Oise | 3,345.49 mi (5,384.05 km) |
| South Portland to Beaune | 3,512.78 mi (5,653.27 km) |
