| Radviliskis to Kayapinar | 1,454.66 mi (2,341.05 km) |
| Radviliskis to Kayseri | 1,301.71 mi (2,094.90 km) |
| Radviliskis to Kemalpasa | 1,213.52 mi (1,952.97 km) |
| Radviliskis to Kemer | 1,366.50 mi (2,199.17 km) |
| Radviliskis to Keskin | 1,205.50 mi (1,940.06 km) |
| Radviliskis to Kilimli | 1,057.23 mi (1,701.44 km) |
| Radviliskis to Kilis | 1,463.15 mi (2,354.71 km) |
| Radviliskis to Kinik | 1,167.60 mi (1,879.07 km) |
| Radviliskis to Kirikkale | 1,192.76 mi (1,919.56 km) |
| Radviliskis to Kirkagac | 1,169.02 mi (1,881.36 km) |
| Radviliskis to Kirklareli | 985.77 mi (1,586.45 km) |
| Radviliskis to Kirsehir | 1,249.55 mi (2,010.96 km) |
| Radviliskis to Kizilpinar | 1,023.76 mi (1,647.58 km) |
| Radviliskis to Kiziltepe | 1,510.48 mi (2,430.88 km) |
| Radviliskis to Kocaali | 1,070.94 mi (1,723.51 km) |
