| Royston to Karditsa | 1,364.50 mi (2,195.95 km) |
| Royston to Kastoria | 1,283.25 mi (2,065.19 km) |
| Royston to Katerini | 1,341.25 mi (2,158.54 km) |
| Royston to Keratsini | 1,497.77 mi (2,410.42 km) |
| Royston to Kerkyra | 1,279.99 mi (2,059.95 km) |
| Royston to Kiato | 1,464.20 mi (2,356.40 km) |
| Royston to Kifisia | 1,499.08 mi (2,412.53 km) |
| Royston to Kilkis | 1,320.71 mi (2,125.48 km) |
| Royston to Komotini | 1,414.11 mi (2,275.80 km) |
| Royston to Korinthos | 1,474.30 mi (2,372.66 km) |
| Royston to Koropi | 1,510.54 mi (2,430.98 km) |
| Royston to Korydallos | 1,498.12 mi (2,411.00 km) |
| Royston to Kos | 1,688.62 mi (2,717.57 km) |
| Royston to Kozani | 1,312.98 mi (2,113.04 km) |
| Royston to Lagos | 1,400.25 mi (2,253.49 km) |
