| Castanet-Tolosan to Krotoszyn | 929.21 mi (1,495.42 km) |
| Castanet-Tolosan to Kruszwica | 997.72 mi (1,605.68 km) |
| Castanet-Tolosan to Krynica | 1,007.88 mi (1,622.03 km) |
| Castanet-Tolosan to Krzeszowice | 968.12 mi (1,558.04 km) |
| Castanet-Tolosan to Kudowa-Zdroj | 841.23 mi (1,353.84 km) |
| Castanet-Tolosan to Kutno | 1,019.48 mi (1,640.70 km) |
| Castanet-Tolosan to Kwidzyn | 1,059.02 mi (1,704.33 km) |
| Castanet-Tolosan to Lancut | 1,075.55 mi (1,730.93 km) |
| Castanet-Tolosan to Lapy | 1,174.40 mi (1,890.01 km) |
| Castanet-Tolosan to Lask | 989.69 mi (1,592.75 km) |
| Castanet-Tolosan to Laziska Gorne | 936.38 mi (1,506.95 km) |
| Castanet-Tolosan to Lebork | 1,054.91 mi (1,697.71 km) |
| Castanet-Tolosan to Leczna | 1,129.58 mi (1,817.88 km) |
| Castanet-Tolosan to Leczyca | 1,007.16 mi (1,620.87 km) |
| Castanet-Tolosan to Legionowo | 1,081.45 mi (1,740.43 km) |
