| Rockford to Karditsa | 5,333.48 mi (8,583.40 km) |
| Rockford to Kastoria | 5,253.16 mi (8,454.15 km) |
| Rockford to Katerini | 5,311.45 mi (8,547.96 km) |
| Rockford to Keratsini | 5,466.74 mi (8,797.87 km) |
| Rockford to Kerkyra | 5,244.98 mi (8,440.97 km) |
| Rockford to Kiato | 5,431.61 mi (8,741.34 km) |
| Rockford to Kifisia | 5,468.51 mi (8,800.72 km) |
| Rockford to Kilkis | 5,289.98 mi (8,513.41 km) |
| Rockford to Komotini | 5,376.90 mi (8,653.29 km) |
| Rockford to Korinthos | 5,441.93 mi (8,757.94 km) |
| Rockford to Koropi | 5,479.77 mi (8,818.83 km) |
| Rockford to Korydallos | 5,467.18 mi (8,798.57 km) |
| Rockford to Kos | 5,658.63 mi (9,106.69 km) |
| Rockford to Kozani | 5,283.04 mi (8,502.24 km) |
| Rockford to Lagos | 5,364.48 mi (8,633.30 km) |
