| Gretna to Bagnolet | 4,798.58 mi (7,722.57 km) |
| Gretna to Bagnols-sur-Ceze | 5,025.64 mi (8,087.99 km) |
| Gretna to Bailleul | 4,762.99 mi (7,665.29 km) |
| Gretna to Balma | 4,899.80 mi (7,885.46 km) |
| Gretna to Bar-le-Duc | 4,916.12 mi (7,911.73 km) |
| Gretna to Barentin | 4,719.89 mi (7,595.93 km) |
| Gretna to Basse-Goulaine | 4,673.20 mi (7,520.79 km) |
| Gretna to Bastia | 5,287.43 mi (8,509.30 km) |
| Gretna to Bayeux | 4,656.64 mi (7,494.13 km) |
| Gretna to Bayonne | 4,765.37 mi (7,669.12 km) |
| Gretna to Beaucaire | 5,037.17 mi (8,106.54 km) |
| Gretna to Beauchamp | 4,785.21 mi (7,701.06 km) |
| Gretna to Beaumont | 4,911.71 mi (7,904.63 km) |
| Gretna to Beaumont-sur-Oise | 4,785.90 mi (7,702.16 km) |
| Gretna to Beaune | 4,952.08 mi (7,969.61 km) |
