| Opelousas to Karditsa | 6,015.18 mi (9,680.49 km) |
| Opelousas to Kastoria | 5,939.29 mi (9,558.36 km) |
| Opelousas to Katerini | 6,001.09 mi (9,657.82 km) |
| Opelousas to Keratsini | 6,147.17 mi (9,892.92 km) |
| Opelousas to Kerkyra | 5,919.86 mi (9,527.10 km) |
| Opelousas to Kiato | 6,108.48 mi (9,830.66 km) |
| Opelousas to Kifisia | 6,150.53 mi (9,898.33 km) |
| Opelousas to Kilkis | 5,985.39 mi (9,632.55 km) |
| Opelousas to Komotini | 6,083.07 mi (9,789.76 km) |
| Opelousas to Korinthos | 6,119.14 mi (9,847.81 km) |
| Opelousas to Koropi | 6,160.93 mi (9,915.05 km) |
| Opelousas to Korydallos | 6,147.86 mi (9,894.02 km) |
| Opelousas to Kos | 6,348.59 mi (10,217.06 km) |
| Opelousas to Kozani | 5,969.94 mi (9,607.70 km) |
| Opelousas to Lagos | 6,068.93 mi (9,766.99 km) |
