| Idrija to Bel Air (Maryland) | 4,350.97 mi (7,002.21 km) |
| Idrija to Bel Air North (Maryland) | 4,351.25 mi (7,002.67 km) |
| Idrija to Bel Air South (Maryland) | 4,350.94 mi (7,002.15 km) |
| Idrija to Belgrade (Montana) | 5,274.10 mi (8,487.85 km) |
| Idrija to Bell (California) | 6,158.66 mi (9,911.40 km) |
| Idrija to Bell Gardens (California) | 6,158.75 mi (9,911.54 km) |
| Idrija to Bella Vista (Arkansas) | 5,209.20 mi (8,383.40 km) |
| Idrija to Bellair-Meadowbrook Terrace (Florida) | 5,006.72 mi (8,057.53 km) |
| Idrija to Bellaire (Texas) | 5,601.66 mi (9,014.99 km) |
| Idrija to Belle Chasse (Louisiana) | 5,372.53 mi (8,646.26 km) |
| Idrija to Belle Glade (Florida) | 5,126.41 mi (8,250.17 km) |
| Idrija to Bellefontaine (Ohio) | 4,614.59 mi (7,426.47 km) |
| Idrija to Bellefontaine Neighbors (Missouri) | 4,941.84 mi (7,953.12 km) |
| Idrija to Belleville (Illinois) | 4,944.22 mi (7,956.95 km) |
| Idrija to Bellevue (Nebraska) | 5,033.98 mi (8,101.41 km) |
