| Gretna to Bicaz | 5,808.93 mi (9,348.58 km) |
| Gretna to Bistrita | 5,740.40 mi (9,238.28 km) |
| Gretna to Blaj | 5,758.37 mi (9,267.21 km) |
| Gretna to Bocsa | 5,705.74 mi (9,182.51 km) |
| Gretna to Boldesti-Scaeni | 5,887.67 mi (9,475.30 km) |
| Gretna to Bolintin Vale | 5,902.30 mi (9,498.83 km) |
| Gretna to Borsa | 5,724.52 mi (9,212.73 km) |
| Gretna to Botosani | 5,793.88 mi (9,324.36 km) |
| Gretna to Brad | 5,717.14 mi (9,200.85 km) |
| Gretna to Bragadiru | 5,913.99 mi (9,517.66 km) |
| Gretna to Braila | 5,949.93 mi (9,575.49 km) |
| Gretna to Brasov | 5,844.60 mi (9,405.97 km) |
| Gretna to Breaza | 5,866.88 mi (9,441.82 km) |
| Gretna to Bucharest | 5,916.30 mi (9,521.36 km) |
| Gretna to Buftea | 5,904.44 mi (9,502.28 km) |
