| Opelousas to Blue Island (Illinois) | 807.16 mi (1,299.00 km) |
| Opelousas to Blue Springs (Missouri) | 599.39 mi (964.62 km) |
| Opelousas to Bluffdale (Utah) | 1,306.87 mi (2,103.20 km) |
| Opelousas to Bluffton (Indiana) | 804.85 mi (1,295.28 km) |
| Opelousas to Bluffton (South Carolina) | 667.72 mi (1,074.59 km) |
| Opelousas to Blythe (California) | 1,334.03 mi (2,146.91 km) |
| Opelousas to Blytheville (Arkansas) | 394.16 mi (634.33 km) |
| Opelousas to Boca Raton (Florida) | 781.30 mi (1,257.38 km) |
| Opelousas to Boerne (Texas) | 400.37 mi (644.33 km) |
| Opelousas to Bogalusa (Louisiana) | 133.03 mi (214.09 km) |
| Opelousas to Boiling Springs (South Carolina) | 664.31 mi (1,069.10 km) |
| Opelousas to Boise (Idaho) | 1,599.49 mi (2,574.13 km) |
| Opelousas to Bolingbrook (Illinois) | 802.51 mi (1,291.51 km) |
| Opelousas to Bolivar (Missouri) | 495.15 mi (796.87 km) |
| Opelousas to Bon Air (Virginia) | 959.57 mi (1,544.27 km) |
