| Opelousas to Oxford (Alabama) | 421.05 mi (677.61 km) |
| Opelousas to Oxford (Mississippi) | 303.90 mi (489.08 km) |
| Opelousas to Oxford (Ohio) | 745.97 mi (1,200.52 km) |
| Opelousas to Oxnard (California) | 1,597.01 mi (2,570.14 km) |
| Opelousas to Oxon Hill (Maryland) | 1,029.00 mi (1,656.01 km) |
| Opelousas to Ozark (Alabama) | 386.38 mi (621.82 km) |
| Opelousas to Ozark (Missouri) | 454.57 mi (731.55 km) |
| Opelousas to Pace (Florida) | 292.43 mi (470.62 km) |
| Opelousas to Pacific Grove (California) | 1,761.20 mi (2,834.38 km) |
| Opelousas to Pacifica (California) | 1,798.50 mi (2,894.40 km) |
| Opelousas to Paducah (Kentucky) | 493.37 mi (793.99 km) |
| Opelousas to Pahrump (Nevada) | 1,430.78 mi (2,302.62 km) |
| Opelousas to Painesville (Ohio) | 980.04 mi (1,577.23 km) |
| Opelousas to Palatine (Illinois) | 831.66 mi (1,338.43 km) |
| Opelousas to Palatka (Florida) | 625.12 mi (1,006.04 km) |
