| Opelousas to Baraboo (Wisconsin) | 903.56 mi (1,454.14 km) |
| Opelousas to Barberton (Ohio) | 931.13 mi (1,498.51 km) |
| Opelousas to Bardstown (Kentucky) | 629.96 mi (1,013.82 km) |
| Opelousas to Barrington (Illinois) | 832.62 mi (1,339.98 km) |
| Opelousas to Barstow (California) | 1,478.21 mi (2,378.94 km) |
| Opelousas to Bartlesville (Oklahoma) | 483.19 mi (777.62 km) |
| Opelousas to Bartlett (Illinois) | 820.14 mi (1,319.89 km) |
| Opelousas to Bartlett (Tennessee) | 350.78 mi (564.52 km) |
| Opelousas to Bartow (Florida) | 644.79 mi (1,037.69 km) |
| Opelousas to Batavia (Illinois) | 809.85 mi (1,303.33 km) |
| Opelousas to Batavia (New York) | 1,152.19 mi (1,854.27 km) |
| Opelousas to Batesville (Arkansas) | 363.26 mi (584.61 km) |
| Opelousas to Baton Rouge (Louisiana) | 56.89 mi (91.55 km) |
| Opelousas to Battle Creek (Michigan) | 897.48 mi (1,444.35 km) |
| Opelousas to Battle Ground (Washington) | 1,943.74 mi (3,128.15 km) |
