| Porthcawl to Beverly Hills (Florida) | 4,215.89 mi (6,784.82 km) |
| Porthcawl to Beverly Hills (Michigan) | 3,611.05 mi (5,811.43 km) |
| Porthcawl to Bexley (Ohio) | 3,712.22 mi (5,974.24 km) |
| Porthcawl to Biddeford (Maine) | 3,055.79 mi (4,917.82 km) |
| Porthcawl to Big Bear City (California) | 5,265.42 mi (8,473.87 km) |
| Porthcawl to Big Lake (Minnesota) | 3,883.90 mi (6,250.54 km) |
| Porthcawl to Big Spring (Texas) | 4,819.89 mi (7,756.86 km) |
| Porthcawl to Billings (Montana) | 4,373.21 mi (7,038.00 km) |
| Porthcawl to Biloxi (Mississippi) | 4,411.38 mi (7,099.44 km) |
| Porthcawl to Binghamton (New York) | 3,334.94 mi (5,367.06 km) |
| Porthcawl to Birmingham (Alabama) | 4,170.90 mi (6,712.41 km) |
| Porthcawl to Birmingham (Michigan) | 3,609.05 mi (5,808.21 km) |
| Porthcawl to Bismarck (North Dakota) | 4,063.07 mi (6,538.88 km) |
| Porthcawl to Bithlo (Florida) | 4,176.36 mi (6,721.19 km) |
| Porthcawl to Bixby (Oklahoma) | 4,414.67 mi (7,104.72 km) |
