| Rio Grande City to Kidricevo | 5,963.03 mi (9,596.57 km) |
| Rio Grande City to Kobarid | 5,882.02 mi (9,466.19 km) |
| Rio Grande City to Kobilje | 5,974.98 mi (9,615.81 km) |
| Rio Grande City to Kocevje | 5,956.37 mi (9,585.85 km) |
| Rio Grande City to Komen | 5,905.46 mi (9,503.93 km) |
| Rio Grande City to Komenda | 5,921.57 mi (9,529.84 km) |
| Rio Grande City to Koper | 5,915.02 mi (9,519.30 km) |
| Rio Grande City to Kostanjevica na Krki | 5,970.70 mi (9,608.92 km) |
| Rio Grande City to Kostel | 5,963.66 mi (9,597.58 km) |
| Rio Grande City to Kozje | 5,966.92 mi (9,602.83 km) |
| Rio Grande City to Kranj | 5,913.75 mi (9,517.27 km) |
| Rio Grande City to Kranjska Gora | 5,881.10 mi (9,464.72 km) |
| Rio Grande City to Krizevci | 5,969.99 mi (9,607.76 km) |
| Rio Grande City to Krsko | 5,968.88 mi (9,605.99 km) |
| Rio Grande City to Kuzma | 5,956.96 mi (9,586.80 km) |
