| Gretna to Boekel | 4,857.09 mi (7,816.73 km) |
| Gretna to Bolsward | 4,811.76 mi (7,743.79 km) |
| Gretna to Borger | 4,863.71 mi (7,827.39 km) |
| Gretna to Borne | 4,879.67 mi (7,853.08 km) |
| Gretna to Boskoop | 4,804.49 mi (7,732.08 km) |
| Gretna to Boxmeer | 4,866.82 mi (7,832.40 km) |
| Gretna to Boxtel | 4,844.43 mi (7,796.35 km) |
| Gretna to Breda | 4,822.28 mi (7,760.71 km) |
| Gretna to Breukelen | 4,815.42 mi (7,749.66 km) |
| Gretna to Brielle | 4,789.94 mi (7,708.66 km) |
| Gretna to Bronkhorst | 4,863.84 mi (7,827.59 km) |
| Gretna to Brummen | 4,862.54 mi (7,825.51 km) |
| Gretna to Brunssum | 4,887.10 mi (7,865.03 km) |
| Gretna to Bunnik | 4,827.75 mi (7,769.52 km) |
| Gretna to Burgum | 4,825.92 mi (7,766.57 km) |
