| Opfikon to Black Forest (Colorado) | 5,190.16 mi (8,352.76 km) |
| Opfikon to Blackfoot (Idaho) | 5,214.99 mi (8,392.72 km) |
| Opfikon to Blackhawk (California) | 5,803.18 mi (9,339.32 km) |
| Opfikon to Blacksburg (Virginia) | 4,348.22 mi (6,997.78 km) |
| Opfikon to Blackwells Mills (New Jersey) | 3,963.31 mi (6,378.33 km) |
| Opfikon to Blaine (Minnesota) | 4,480.65 mi (7,210.91 km) |
| Opfikon to Bloomingdale (Florida) | 4,863.01 mi (7,826.25 km) |
| Opfikon to Bloomingdale (Illinois) | 4,441.14 mi (7,147.33 km) |
| Opfikon to Bloomington (California) | 5,888.10 mi (9,475.99 km) |
| Opfikon to Bloomington (Illinois) | 4,543.48 mi (7,312.03 km) |
| Opfikon to Bloomington (Indiana) | 4,508.74 mi (7,256.11 km) |
| Opfikon to Bloomington (Minnesota) | 4,500.48 mi (7,242.82 km) |
| Opfikon to Bloomsburg (Pennsylvania) | 4,018.70 mi (6,467.48 km) |
| Opfikon to Blue Ash (Ohio) | 4,419.17 mi (7,111.97 km) |
| Opfikon to Blue Island (Illinois) | 4,438.88 mi (7,143.68 km) |
