| Friendswood to Karditsa | 6,195.45 mi (9,970.62 km) |
| Friendswood to Kastoria | 6,118.68 mi (9,847.06 km) |
| Friendswood to Katerini | 6,179.89 mi (9,945.58 km) |
| Friendswood to Keratsini | 6,327.82 mi (10,183.64 km) |
| Friendswood to Kerkyra | 6,101.23 mi (9,818.98 km) |
| Friendswood to Kiato | 6,289.71 mi (10,122.31 km) |
| Friendswood to Kifisia | 6,330.90 mi (10,188.59 km) |
| Friendswood to Kilkis | 6,163.05 mi (9,918.47 km) |
| Friendswood to Komotini | 6,258.61 mi (10,072.25 km) |
| Friendswood to Korinthos | 6,300.32 mi (10,139.39 km) |
| Friendswood to Koropi | 6,341.46 mi (10,205.59 km) |
| Friendswood to Korydallos | 6,328.46 mi (10,184.67 km) |
| Friendswood to Kos | 6,527.69 mi (10,505.30 km) |
| Friendswood to Kozani | 6,149.23 mi (9,896.23 km) |
| Friendswood to Lagos | 6,244.82 mi (10,050.06 km) |
