| Clay to Nowy Dwor Mazowiecki | 5,059.11 mi (8,141.85 km) |
| Clay to Nowy Sacz | 5,167.73 mi (8,316.66 km) |
| Clay to Nowy Targ | 5,148.69 mi (8,286.02 km) |
| Clay to Nowy Tomysl | 4,900.18 mi (7,886.08 km) |
| Clay to Nysa | 5,010.93 mi (8,064.30 km) |
| Clay to Oborniki | 4,912.96 mi (7,906.64 km) |
| Clay to Oborniki Slaskie | 4,964.73 mi (7,989.96 km) |
| Clay to Olawa | 4,992.72 mi (8,035.00 km) |
| Clay to Olecko | 5,057.58 mi (8,139.39 km) |
| Clay to Olesnica | 4,986.02 mi (8,024.22 km) |
| Clay to Olesno | 5,035.96 mi (8,104.59 km) |
| Clay to Olkusz | 5,100.58 mi (8,208.59 km) |
| Clay to Olsztyn | 4,999.38 mi (8,045.72 km) |
| Clay to Opalenica | 4,910.65 mi (7,902.93 km) |
| Clay to Opoczno | 5,084.63 mi (8,182.93 km) |
