| Cities | Distance |
|---|---|
| Porthcawl to Nuth | 416.00 mi (669.49 km) |
| Porthcawl to Oegstgeest | 351.45 mi (565.61 km) |
| Porthcawl to Oirschot | 386.52 mi (622.04 km) |
| Porthcawl to Oisterwijk | 381.94 mi (614.67 km) |
| Porthcawl to Oldebroek | 413.40 mi (665.31 km) |
| Porthcawl to Oldenzaal | 456.17 mi (734.14 km) |
| Porthcawl to Ommen | 435.49 mi (700.85 km) |
| Porthcawl to Oosterend | 425.61 mi (684.96 km) |
| Porthcawl to Oosterhout | 367.08 mi (590.76 km) |
| Porthcawl to Oosterwolde | 434.66 mi (699.52 km) |
| Porthcawl to Oostzaan | 370.71 mi (596.60 km) |
| Porthcawl to Opmeer | 376.10 mi (605.27 km) |
| Porthcawl to Oss | 395.16 mi (635.94 km) |
| Porthcawl to Oud-Beijerland | 347.43 mi (559.13 km) |
| Porthcawl to Oudenbosch | 352.92 mi (567.97 km) |