| Port Talbot to Black Forest (Colorado) | 4,577.42 mi (7,366.65 km) |
| Port Talbot to Blackfoot (Idaho) | 4,622.60 mi (7,439.36 km) |
| Port Talbot to Blackhawk (California) | 5,221.35 mi (8,402.95 km) |
| Port Talbot to Blacksburg (Virginia) | 3,727.65 mi (5,999.07 km) |
| Port Talbot to Blackwells Mills (New Jersey) | 3,343.25 mi (5,380.44 km) |
| Port Talbot to Blaine (Minnesota) | 3,864.23 mi (6,218.88 km) |
| Port Talbot to Bloomingdale (Florida) | 4,253.41 mi (6,845.20 km) |
| Port Talbot to Bloomingdale (Illinois) | 3,818.46 mi (6,145.21 km) |
| Port Talbot to Bloomington (California) | 5,288.35 mi (8,510.77 km) |
| Port Talbot to Bloomington (Illinois) | 3,920.41 mi (6,309.29 km) |
| Port Talbot to Bloomington (Indiana) | 3,885.17 mi (6,252.57 km) |
| Port Talbot to Bloomington (Minnesota) | 3,883.69 mi (6,250.19 km) |
| Port Talbot to Bloomsburg (Pennsylvania) | 3,397.04 mi (5,467.00 km) |
| Port Talbot to Blue Ash (Ohio) | 3,795.80 mi (6,108.74 km) |
| Port Talbot to Blue Island (Illinois) | 3,815.93 mi (6,141.14 km) |
