| Willoughby to Kothen | 4,168.28 mi (6,708.20 km) |
| Willoughby to Kranenburg | 3,946.10 mi (6,350.63 km) |
| Willoughby to Krefeld | 3,981.99 mi (6,408.40 km) |
| Willoughby to Kressbronn am Bodensee | 4,228.21 mi (6,804.64 km) |
| Willoughby to Kreuzau | 3,998.09 mi (6,434.30 km) |
| Willoughby to Kreuztal | 4,047.42 mi (6,513.69 km) |
| Willoughby to Kriftel | 4,096.43 mi (6,592.56 km) |
| Willoughby to Kronach | 4,200.09 mi (6,759.40 km) |
| Willoughby to Kronberg | 4,094.28 mi (6,589.10 km) |
| Willoughby to Kronshagen | 4,013.88 mi (6,459.72 km) |
| Willoughby to Krumbach | 4,234.80 mi (6,815.26 km) |
| Willoughby to Kulmbach | 4,209.14 mi (6,773.95 km) |
| Willoughby to Kummersbruck | 4,251.00 mi (6,841.33 km) |
| Willoughby to Kunzell | 4,128.16 mi (6,643.64 km) |
| Willoughby to Kunzelsau | 4,171.21 mi (6,712.92 km) |
