| Willowbrook to Karditsa | 6,768.75 mi (10,893.24 km) |
| Willowbrook to Kastoria | 6,683.27 mi (10,755.69 km) |
| Willowbrook to Katerini | 6,732.65 mi (10,835.15 km) |
| Willowbrook to Keratsini | 6,899.33 mi (11,103.40 km) |
| Willowbrook to Kerkyra | 6,695.65 mi (10,775.61 km) |
| Willowbrook to Kiato | 6,871.98 mi (11,059.38 km) |
| Willowbrook to Kifisia | 6,898.09 mi (11,101.41 km) |
| Willowbrook to Kilkis | 6,700.72 mi (10,783.77 km) |
| Willowbrook to Komotini | 6,761.67 mi (10,881.85 km) |
| Willowbrook to Korinthos | 6,881.30 mi (11,074.38 km) |
| Willowbrook to Koropi | 6,910.53 mi (11,121.42 km) |
| Willowbrook to Korydallos | 6,899.29 mi (11,103.34 km) |
| Willowbrook to Kos | 7,065.52 mi (11,370.86 km) |
| Willowbrook to Kozani | 6,710.55 mi (10,799.59 km) |
| Willowbrook to Lagos | 6,753.49 mi (10,868.69 km) |
