| Opmeer to Karditsa | 1,223.05 mi (1,968.31 km) |
| Opmeer to Kastoria | 1,138.60 mi (1,832.40 km) |
| Opmeer to Katerini | 1,191.80 mi (1,918.01 km) |
| Opmeer to Keratsini | 1,355.03 mi (2,180.72 km) |
| Opmeer to Kerkyra | 1,148.28 mi (1,847.98 km) |
| Opmeer to Kiato | 1,325.60 mi (2,133.35 km) |
| Opmeer to Kifisia | 1,354.80 mi (2,180.34 km) |
| Opmeer to Kilkis | 1,165.42 mi (1,875.57 km) |
| Opmeer to Komotini | 1,247.61 mi (2,007.83 km) |
| Opmeer to Korinthos | 1,335.16 mi (2,148.73 km) |
| Opmeer to Koropi | 1,366.89 mi (2,199.80 km) |
| Opmeer to Korydallos | 1,355.15 mi (2,180.90 km) |
| Opmeer to Kos | 1,534.96 mi (2,470.28 km) |
| Opmeer to Kozani | 1,166.92 mi (1,877.98 km) |
| Opmeer to Lagos | 1,235.41 mi (1,988.20 km) |
