| Porthcawl to Myrtle Grove (North Carolina) | 3,772.24 mi (6,070.83 km) |
| Porthcawl to Nacogdoches (Texas) | 4,584.09 mi (7,377.39 km) |
| Porthcawl to Nampa (Idaho) | 4,743.34 mi (7,633.66 km) |
| Porthcawl to Nanakuli (Hawaii) | 7,169.16 mi (11,537.65 km) |
| Porthcawl to Nanticoke (Pennsylvania) | 3,376.72 mi (5,434.31 km) |
| Porthcawl to Nanuet (New York) | 3,299.58 mi (5,310.17 km) |
| Porthcawl to Napa (California) | 5,214.70 mi (8,392.24 km) |
| Porthcawl to Naperville (Illinois) | 3,838.12 mi (6,176.86 km) |
| Porthcawl to Naples (Florida) | 4,325.85 mi (6,961.78 km) |
| Porthcawl to Naranja (Florida) | 4,299.24 mi (6,918.96 km) |
| Porthcawl to Nashua (New Hampshire) | 3,127.28 mi (5,032.87 km) |
| Porthcawl to Nashville (Tennessee) | 4,043.25 mi (6,506.99 km) |
| Porthcawl to Natchez (Mississippi) | 4,455.96 mi (7,171.18 km) |
| Porthcawl to Natchitoches (Louisiana) | 4,515.71 mi (7,267.33 km) |
| Porthcawl to National City (California) | 5,364.65 mi (8,633.57 km) |
