| Opelousas to Harrison (Ohio) | 730.84 mi (1,176.17 km) |
| Opelousas to Harrison (Wisconsin) | 966.73 mi (1,555.80 km) |
| Opelousas to Harrisonburg (Virginia) | 928.27 mi (1,493.91 km) |
| Opelousas to Hartford (Connecticut) | 1,326.98 mi (2,135.58 km) |
| Opelousas to Hartford (Wisconsin) | 907.28 mi (1,460.13 km) |
| Opelousas to Hartselle (Alabama) | 403.55 mi (649.45 km) |
| Opelousas to Hartsville (Tennessee) | 529.80 mi (852.64 km) |
| Opelousas to Harvey (Illinois) | 804.38 mi (1,294.52 km) |
| Opelousas to Harvey (Louisiana) | 128.13 mi (206.20 km) |
| Opelousas to Hasbrouck Heights (New Jersey) | 1,233.36 mi (1,984.90 km) |
| Opelousas to Haslett (Michigan) | 945.03 mi (1,520.87 km) |
| Opelousas to Hastings (Minnesota) | 982.48 mi (1,581.14 km) |
| Opelousas to Hastings (Nebraska) | 780.41 mi (1,255.95 km) |
| Opelousas to Hattiesburg (Mississippi) | 172.55 mi (277.69 km) |
| Opelousas to Hauppauge (New York) | 1,271.51 mi (2,046.30 km) |
