| Opelousas to Jeffersontown (Kentucky) | 647.25 mi (1,041.64 km) |
| Opelousas to Jeffersonville (Indiana) | 650.37 mi (1,046.67 km) |
| Opelousas to Jenison (Michigan) | 922.23 mi (1,484.19 km) |
| Opelousas to Jenks (Oklahoma) | 439.84 mi (707.85 km) |
| Opelousas to Jennings (Missouri) | 575.73 mi (926.54 km) |
| Opelousas to Jensen Beach (Florida) | 750.82 mi (1,208.32 km) |
| Opelousas to Jericho (New York) | 1,255.18 mi (2,020.02 km) |
| Opelousas to Jerome (Idaho) | 1,494.90 mi (2,405.81 km) |
| Opelousas to Jersey City (New Jersey) | 1,228.73 mi (1,977.45 km) |
| Opelousas to Jessup (Maryland) | 1,050.40 mi (1,690.45 km) |
| Opelousas to Johns Creek (Georgia) | 519.94 mi (836.76 km) |
| Opelousas to Johnson City (New York) | 1,199.25 mi (1,930.00 km) |
| Opelousas to Johnson City (Tennessee) | 688.11 mi (1,107.40 km) |
| Opelousas to Johnston (Iowa) | 776.86 mi (1,250.24 km) |
| Opelousas to Johnstown (Colorado) | 990.67 mi (1,594.33 km) |
