| Willoughby to Krosno Odrzanskie | 4,273.42 mi (6,877.40 km) |
| Willoughby to Krotoszyn | 4,369.83 mi (7,032.57 km) |
| Willoughby to Kruszwica | 4,362.51 mi (7,020.78 km) |
| Willoughby to Krynica | 4,586.95 mi (7,381.98 km) |
| Willoughby to Krzeszowice | 4,509.87 mi (7,257.93 km) |
| Willoughby to Kudowa-Zdroj | 4,375.16 mi (7,041.14 km) |
| Willoughby to Kutno | 4,415.88 mi (7,106.68 km) |
| Willoughby to Kwidzyn | 4,341.83 mi (6,987.51 km) |
| Willoughby to Lancut | 4,604.74 mi (7,410.61 km) |
| Willoughby to Lapy | 4,504.51 mi (7,249.31 km) |
| Willoughby to Lask | 4,433.39 mi (7,134.85 km) |
| Willoughby to Laziska Gorne | 4,481.10 mi (7,211.64 km) |
| Willoughby to Lebork | 4,270.85 mi (6,873.27 km) |
| Willoughby to Leczna | 4,575.13 mi (7,362.97 km) |
| Willoughby to Leczyca | 4,417.40 mi (7,109.12 km) |
