| Porthcawl to Oxford (Alabama) | 4,129.47 mi (6,645.73 km) |
| Porthcawl to Oxford (Mississippi) | 4,241.54 mi (6,826.10 km) |
| Porthcawl to Oxford (Ohio) | 3,805.61 mi (6,124.53 km) |
| Porthcawl to Oxnard (California) | 5,348.27 mi (8,607.20 km) |
| Porthcawl to Oxon Hill (Maryland) | 3,521.51 mi (5,667.32 km) |
| Porthcawl to Ozark (Alabama) | 4,224.87 mi (6,799.27 km) |
| Porthcawl to Ozark (Missouri) | 4,257.31 mi (6,851.47 km) |
| Porthcawl to Pace (Florida) | 4,328.90 mi (6,966.69 km) |
| Porthcawl to Pacific Grove (California) | 5,298.84 mi (8,527.67 km) |
| Porthcawl to Pacifica (California) | 5,259.30 mi (8,464.03 km) |
| Porthcawl to Paducah (Kentucky) | 4,075.13 mi (6,558.29 km) |
| Porthcawl to Pahrump (Nevada) | 5,129.36 mi (8,254.91 km) |
| Porthcawl to Painesville (Ohio) | 3,566.88 mi (5,740.35 km) |
| Porthcawl to Palatine (Illinois) | 3,816.55 mi (6,142.14 km) |
| Porthcawl to Palatka (Florida) | 4,146.73 mi (6,673.52 km) |
