| Castanet-Tolosan to Nowy Sacz | 1,001.12 mi (1,611.14 km) |
| Castanet-Tolosan to Nowy Targ | 968.75 mi (1,559.05 km) |
| Castanet-Tolosan to Nowy Tomysl | 907.46 mi (1,460.41 km) |
| Castanet-Tolosan to Nysa | 884.87 mi (1,424.06 km) |
| Castanet-Tolosan to Oborniki | 944.26 mi (1,519.64 km) |
| Castanet-Tolosan to Oborniki Slaskie | 895.92 mi (1,441.84 km) |
| Castanet-Tolosan to Olawa | 898.40 mi (1,445.83 km) |
| Castanet-Tolosan to Olecko | 1,193.40 mi (1,920.59 km) |
| Castanet-Tolosan to Olesnica | 910.51 mi (1,465.32 km) |
| Castanet-Tolosan to Olesno | 939.74 mi (1,512.37 km) |
| Castanet-Tolosan to Olkusz | 969.07 mi (1,559.57 km) |
| Castanet-Tolosan to Olsztyn | 1,113.50 mi (1,792.01 km) |
| Castanet-Tolosan to Opalenica | 916.69 mi (1,475.26 km) |
| Castanet-Tolosan to Opoczno | 1,027.88 mi (1,654.22 km) |
| Castanet-Tolosan to Opole | 914.43 mi (1,471.63 km) |
