| Gretna to Bingen am Rhein | 4,992.82 mi (8,035.17 km) |
| Gretna to Birkenau | 5,037.45 mi (8,107.00 km) |
| Gretna to Birkenfeld | 5,055.85 mi (8,136.60 km) |
| Gretna to Bischofsheim | 5,010.35 mi (8,063.38 km) |
| Gretna to Bischofswerda | 5,199.77 mi (8,368.23 km) |
| Gretna to Bisingen | 5,084.63 mi (8,182.93 km) |
| Gretna to Bissendorf | 4,936.03 mi (7,943.78 km) |
| Gretna to Bitburg | 4,937.86 mi (7,946.73 km) |
| Gretna to Bitterfeld | 5,113.10 mi (8,228.75 km) |
| Gretna to Blankenburg | 5,056.04 mi (8,136.91 km) |
| Gretna to Blankenfelde | 5,129.38 mi (8,254.94 km) |
| Gretna to Blaubeuren | 5,116.94 mi (8,234.92 km) |
| Gretna to Bleicherode | 5,052.89 mi (8,131.84 km) |
| Gretna to Blieskastel | 4,988.42 mi (8,028.09 km) |
| Gretna to Blomberg | 4,980.08 mi (8,014.67 km) |
