| Serik to Krosno Odrzanskie | 1,302.71 mi (2,096.51 km) |
| Serik to Krotoszyn | 1,219.36 mi (1,962.37 km) |
| Serik to Kruszwica | 1,251.89 mi (2,014.72 km) |
| Serik to Krynica | 1,001.31 mi (1,611.45 km) |
| Serik to Krzeszowice | 1,076.07 mi (1,731.77 km) |
| Serik to Kudowa-Zdroj | 1,188.78 mi (1,913.16 km) |
| Serik to Kutno | 1,202.10 mi (1,934.60 km) |
| Serik to Kwidzyn | 1,299.60 mi (2,091.51 km) |
| Serik to Lancut | 1,009.77 mi (1,625.07 km) |
| Serik to Lapy | 1,178.71 mi (1,896.95 km) |
| Serik to Lask | 1,170.72 mi (1,884.09 km) |
| Serik to Laziska Gorne | 1,098.01 mi (1,767.07 km) |
| Serik to Lebork | 1,372.67 mi (2,209.10 km) |
| Serik to Leczna | 1,072.52 mi (1,726.06 km) |
| Serik to Leczyca | 1,195.40 mi (1,923.81 km) |
