| Sofia to Knurow | 564.20 mi (908.00 km) |
| Sofia to Kobylka | 672.90 mi (1,082.92 km) |
| Sofia to Kokoszki | 834.60 mi (1,343.16 km) |
| Sofia to Kolbuszowa | 526.90 mi (847.96 km) |
| Sofia to Kolno | 742.80 mi (1,195.41 km) |
| Sofia to Kolo | 691.72 mi (1,113.22 km) |
| Sofia to Kolobrzeg | 867.70 mi (1,396.43 km) |
| Sofia to Koluszki | 646.66 mi (1,040.70 km) |
| Sofia to Komorniki | 729.16 mi (1,173.47 km) |
| Sofia to Konin | 698.36 mi (1,123.89 km) |
| Sofia to Konskie | 603.02 mi (970.47 km) |
| Sofia to Konstancin-Jeziorna | 656.45 mi (1,056.46 km) |
| Sofia to Konstantynow Lodzki | 652.55 mi (1,050.18 km) |
| Sofia to Koronowo | 774.24 mi (1,246.02 km) |
| Sofia to Koscian | 718.96 mi (1,157.05 km) |
