| Gretna to Brandermill (Virginia) | 881.06 mi (1,417.92 km) |
| Gretna to Brandon (Florida) | 488.08 mi (785.48 km) |
| Gretna to Brandon (Mississippi) | 163.63 mi (263.34 km) |
| Gretna to Brandon (South Dakota) | 1,011.26 mi (1,627.47 km) |
| Gretna to Branson (Missouri) | 501.25 mi (806.68 km) |
| Gretna to Braselton (Georgia) | 466.47 mi (750.71 km) |
| Gretna to Brawley (California) | 1,512.93 mi (2,434.83 km) |
| Gretna to Brea (California) | 1,649.43 mi (2,654.50 km) |
| Gretna to Brecksville (Ohio) | 917.89 mi (1,477.20 km) |
| Gretna to Bremerton (Washington) | 2,116.17 mi (3,405.65 km) |
| Gretna to Brenham (Texas) | 379.88 mi (611.35 km) |
| Gretna to Brent (Florida) | 171.79 mi (276.47 km) |
| Gretna to Brentwood (California) | 1,887.98 mi (3,038.41 km) |
| Gretna to Brentwood (New York) | 1,204.94 mi (1,939.16 km) |
| Gretna to Brentwood (Tennessee) | 461.04 mi (741.98 km) |
