| Opfikon to Bel Air (Maryland) | 4,076.35 mi (6,560.25 km) |
| Opfikon to Bel Air North (Maryland) | 4,076.66 mi (6,560.74 km) |
| Opfikon to Bel Air South (Maryland) | 4,076.29 mi (6,560.15 km) |
| Opfikon to Belgrade (Montana) | 5,038.00 mi (8,107.87 km) |
| Opfikon to Bell (California) | 5,917.10 mi (9,522.65 km) |
| Opfikon to Bell Gardens (California) | 5,917.13 mi (9,522.69 km) |
| Opfikon to Bella Vista (Arkansas) | 4,941.99 mi (7,953.37 km) |
| Opfikon to Bellair-Meadowbrook Terrace (Florida) | 4,730.18 mi (7,612.49 km) |
| Opfikon to Bellaire (Texas) | 5,330.08 mi (8,577.93 km) |
| Opfikon to Belle Chasse (Louisiana) | 5,098.21 mi (8,204.78 km) |
| Opfikon to Belle Glade (Florida) | 4,849.58 mi (7,804.65 km) |
| Opfikon to Bellefontaine (Ohio) | 4,343.87 mi (6,990.78 km) |
| Opfikon to Bellefontaine Neighbors (Missouri) | 4,673.75 mi (7,521.68 km) |
| Opfikon to Belleville (Illinois) | 4,675.75 mi (7,524.90 km) |
| Opfikon to Bellevue (Nebraska) | 4,773.09 mi (7,681.54 km) |
