| Opelousas to Petersburg (Virginia) | 959.27 mi (1,543.79 km) |
| Opelousas to Pflugerville (Texas) | 328.68 mi (528.96 km) |
| Opelousas to Pharr (Texas) | 477.96 mi (769.20 km) |
| Opelousas to Phelan (California) | 1,503.26 mi (2,419.26 km) |
| Opelousas to Phenix City (Alabama) | 436.56 mi (702.57 km) |
| Opelousas to Philadelphia (Pennsylvania) | 1,155.80 mi (1,860.08 km) |
| Opelousas to Phillipsburg (New Jersey) | 1,177.36 mi (1,894.77 km) |
| Opelousas to Phoenix (Arizona) | 1,188.51 mi (1,912.73 km) |
| Opelousas to Phoenixville (Pennsylvania) | 1,142.49 mi (1,838.65 km) |
| Opelousas to Picayune (Mississippi) | 143.38 mi (230.75 km) |
| Opelousas to Pickerington (Ohio) | 832.65 mi (1,340.02 km) |
| Opelousas to Pico Rivera (California) | 1,534.09 mi (2,468.89 km) |
| Opelousas to Piedmont (California) | 1,786.82 mi (2,875.60 km) |
| Opelousas to Pierre (South Dakota) | 1,056.90 mi (1,700.91 km) |
| Opelousas to Pike Creek Valley (Delaware) | 1,120.25 mi (1,802.88 km) |
