| Opelika to Karditsa | 5,627.04 mi (9,055.85 km) |
| Opelika to Kastoria | 5,552.98 mi (8,936.65 km) |
| Opelika to Katerini | 5,615.86 mi (9,037.85 km) |
| Opelika to Keratsini | 5,758.17 mi (9,266.87 km) |
| Opelika to Kerkyra | 5,529.74 mi (8,899.26 km) |
| Opelika to Kiato | 5,718.40 mi (9,202.88 km) |
| Opelika to Kifisia | 5,762.06 mi (9,273.14 km) |
| Opelika to Kilkis | 5,602.39 mi (9,016.18 km) |
| Opelika to Komotini | 5,704.10 mi (9,179.86 km) |
| Opelika to Korinthos | 5,729.14 mi (9,220.16 km) |
| Opelika to Koropi | 5,772.12 mi (9,289.34 km) |
| Opelika to Korydallos | 5,758.93 mi (9,268.11 km) |
| Opelika to Kos | 5,962.28 mi (9,595.37 km) |
| Opelika to Kozani | 5,583.81 mi (8,986.28 km) |
| Opelika to Lagos | 5,689.28 mi (9,156.00 km) |
