| Porthcawl to Buenaventura Lakes (Florida) | 4,198.17 mi (6,756.30 km) |
| Porthcawl to Buffalo (Minnesota) | 3,895.74 mi (6,269.59 km) |
| Porthcawl to Buffalo (New York) | 3,420.05 mi (5,504.04 km) |
| Porthcawl to Buffalo Grove (Illinois) | 3,811.15 mi (6,133.46 km) |
| Porthcawl to Buford (Georgia) | 4,026.96 mi (6,480.77 km) |
| Porthcawl to Bull Run (Virginia) | 3,544.50 mi (5,704.32 km) |
| Porthcawl to Bullhead City (Arizona) | 5,141.25 mi (8,274.04 km) |
| Porthcawl to Burbank (California) | 5,320.38 mi (8,562.32 km) |
| Porthcawl to Burbank (Illinois) | 3,822.88 mi (6,152.33 km) |
| Porthcawl to Burien (Washington) | 4,697.52 mi (7,559.92 km) |
| Porthcawl to Burkburnett (Texas) | 4,613.06 mi (7,424.00 km) |
| Porthcawl to Burke (Virginia) | 3,534.01 mi (5,687.44 km) |
| Porthcawl to Burke Centre (Virginia) | 3,534.94 mi (5,688.94 km) |
| Porthcawl to Burleson (Texas) | 4,644.45 mi (7,474.53 km) |
| Porthcawl to Burley (Idaho) | 4,712.73 mi (7,584.40 km) |
