| Idrija to Bridgeton (Missouri) | 4,948.76 mi (7,964.26 km) |
| Idrija to Bridgetown (Ohio) | 4,704.81 mi (7,571.66 km) |
| Idrija to Bridgeview (Illinois) | 4,706.78 mi (7,574.84 km) |
| Idrija to Brigham City (Utah) | 5,540.55 mi (8,916.65 km) |
| Idrija to Brighton (Colorado) | 5,399.12 mi (8,689.04 km) |
| Idrija to Bristol (Connecticut) | 4,118.99 mi (6,628.88 km) |
| Idrija to Bristol (Tennessee) | 4,727.37 mi (7,607.96 km) |
| Idrija to Bristol (Virginia) | 4,722.28 mi (7,599.78 km) |
| Idrija to Broadlands (Virginia) | 4,422.13 mi (7,116.74 km) |
| Idrija to Broadview Heights (Ohio) | 4,488.93 mi (7,224.23 km) |
| Idrija to Brock Hall (Maryland) | 4,396.92 mi (7,076.16 km) |
| Idrija to Brockton (Massachusetts) | 4,022.95 mi (6,474.31 km) |
| Idrija to Broken Arrow (Oklahoma) | 5,287.94 mi (8,510.12 km) |
| Idrija to Bronx (New York) | 4,191.89 mi (6,746.20 km) |
| Idrija to Brook Park (Ohio) | 4,490.87 mi (7,227.36 km) |
