| Opelika to Kamen | 4,610.31 mi (7,419.58 km) |
| Opelika to Kamenz | 4,869.22 mi (7,836.26 km) |
| Opelika to Kamp-Lintfort | 4,568.19 mi (7,351.80 km) |
| Opelika to Kandel | 4,703.46 mi (7,569.49 km) |
| Opelika to Kappeln | 4,610.07 mi (7,419.18 km) |
| Opelika to Karben | 4,692.87 mi (7,552.44 km) |
| Opelika to Karlsdorf-Neuthard | 4,715.98 mi (7,589.63 km) |
| Opelika to Karlsfeld | 4,863.66 mi (7,827.30 km) |
| Opelika to Karlsruhe | 4,714.00 mi (7,586.45 km) |
| Opelika to Kassel | 4,690.03 mi (7,547.88 km) |
| Opelika to Kaufbeuren | 4,839.64 mi (7,788.65 km) |
| Opelika to Kaufering | 4,843.99 mi (7,795.64 km) |
| Opelika to Kaufungen | 4,695.77 mi (7,557.11 km) |
| Opelika to Kehl | 4,702.78 mi (7,568.39 km) |
| Opelika to Kelheim | 4,857.57 mi (7,817.50 km) |
