| Opelousas to Hutchinson (Kansas) | 617.85 mi (994.33 km) |
| Opelousas to Hutchinson (Minnesota) | 999.99 mi (1,609.32 km) |
| Opelousas to Hutto (Texas) | 325.05 mi (523.12 km) |
| Opelousas to Hyattsville (Maryland) | 1,035.70 mi (1,666.79 km) |
| Opelousas to Hybla Valley (Virginia) | 1,022.50 mi (1,645.56 km) |
| Opelousas to Idaho Falls (Idaho) | 1,412.73 mi (2,273.56 km) |
| Opelousas to Idylwood (Virginia) | 1,021.53 mi (1,644.00 km) |
| Opelousas to Ilchester (Maryland) | 1,053.23 mi (1,695.00 km) |
| Opelousas to Immokalee (Florida) | 706.06 mi (1,136.30 km) |
| Opelousas to Imperial (California) | 1,387.50 mi (2,232.96 km) |
| Opelousas to Imperial Beach (California) | 1,477.54 mi (2,377.86 km) |
| Opelousas to Independence (Kentucky) | 721.76 mi (1,161.56 km) |
| Opelousas to Independence (Missouri) | 605.34 mi (974.21 km) |
| Opelousas to Indian Trail (North Carolina) | 734.05 mi (1,181.34 km) |
| Opelousas to Indiana (Pennsylvania) | 1,005.07 mi (1,617.50 km) |
