| Boulder City to Karlskoga | 5,254.97 mi (8,457.06 km) |
| Boulder City to Karlskrona | 5,449.12 mi (8,769.52 km) |
| Boulder City to Karlstad | 5,229.42 mi (8,415.95 km) |
| Boulder City to Katrineholm | 5,310.66 mi (8,546.68 km) |
| Boulder City to Kavlinge | 5,407.40 mi (8,702.36 km) |
| Boulder City to Kinna | 5,306.83 mi (8,540.51 km) |
| Boulder City to Kiruna | 4,906.64 mi (7,896.47 km) |
| Boulder City to Klippansbruk | 5,391.41 mi (8,676.64 km) |
| Boulder City to Koping | 5,278.08 mi (8,494.25 km) |
| Boulder City to Kristianstad | 5,420.33 mi (8,723.18 km) |
| Boulder City to Kristinehamn | 5,247.60 mi (8,445.20 km) |
| Boulder City to Kumla | 5,280.44 mi (8,498.04 km) |
| Boulder City to Kungalv | 5,271.17 mi (8,483.14 km) |
| Boulder City to Kungsangen | 5,318.37 mi (8,559.09 km) |
| Boulder City to Kungsbacka | 5,293.39 mi (8,518.88 km) |
