| Gretna to Bahce | 6,656.80 mi (10,713.08 km) |
| Gretna to Bahcesaray | 6,838.18 mi (11,004.98 km) |
| Gretna to Balikesir | 6,197.27 mi (9,973.55 km) |
| Gretna to Balya | 6,179.87 mi (9,945.53 km) |
| Gretna to Banaz | 6,313.64 mi (10,160.82 km) |
| Gretna to Bandirma | 6,168.79 mi (9,927.71 km) |
| Gretna to Bartin | 6,280.74 mi (10,107.87 km) |
| Gretna to Baskale | 6,884.36 mi (11,079.30 km) |
| Gretna to Baskil | 6,672.51 mi (10,738.37 km) |
| Gretna to Basmakci | 6,362.57 mi (10,239.56 km) |
| Gretna to Batman | 6,791.43 mi (10,929.76 km) |
| Gretna to Battalgazi | 6,663.09 mi (10,723.20 km) |
| Gretna to Bayat | 6,400.32 mi (10,300.32 km) |
| Gretna to Bayburt | 6,636.46 mi (10,680.36 km) |
| Gretna to Bayindir | 6,250.31 mi (10,058.91 km) |
