| Birsfelden to Kenosha (Wisconsin) | 4,363.00 mi (7,021.57 km) |
| Birsfelden to Kent (Ohio) | 4,170.40 mi (6,711.61 km) |
| Birsfelden to Kent (Washington) | 5,216.59 mi (8,395.29 km) |
| Birsfelden to Kentwood (Michigan) | 4,261.54 mi (6,858.28 km) |
| Birsfelden to Kerman (California) | 5,779.86 mi (9,301.79 km) |
| Birsfelden to Kernersville (North Carolina) | 4,341.05 mi (6,986.25 km) |
| Birsfelden to Kerrville (Texas) | 5,417.37 mi (8,718.41 km) |
| Birsfelden to Kettering (Maryland) | 4,079.38 mi (6,565.12 km) |
| Birsfelden to Kettering (Ohio) | 4,347.31 mi (6,996.33 km) |
| Birsfelden to Kewanee (Illinois) | 4,503.55 mi (7,247.76 km) |
| Birsfelden to Key Biscayne (Florida) | 4,830.88 mi (7,774.55 km) |
| Birsfelden to Key Largo (Florida) | 4,869.30 mi (7,836.38 km) |
| Birsfelden to Key West (Florida) | 4,957.39 mi (7,978.16 km) |
| Birsfelden to Keystone (Florida) | 4,821.45 mi (7,759.37 km) |
| Birsfelden to Kihei (Hawaii) | 7,613.70 mi (12,253.06 km) |
