| Calne to Nowy Dwor Mazowiecki | 966.35 mi (1,555.20 km) |
| Calne to Nowy Sacz | 1,000.83 mi (1,610.67 km) |
| Calne to Nowy Targ | 974.55 mi (1,568.38 km) |
| Calne to Nowy Tomysl | 774.02 mi (1,245.66 km) |
| Calne to Nysa | 841.89 mi (1,354.89 km) |
| Calne to Oborniki | 801.90 mi (1,290.54 km) |
| Calne to Oborniki Slaskie | 813.35 mi (1,308.95 km) |
| Calne to Olawa | 834.36 mi (1,342.77 km) |
| Calne to Olecko | 1,035.31 mi (1,666.17 km) |
| Calne to Olesnica | 834.94 mi (1,343.71 km) |
| Calne to Olesno | 882.96 mi (1,420.98 km) |
| Calne to Olkusz | 940.69 mi (1,513.90 km) |
| Calne to Olsztyn | 952.97 mi (1,533.65 km) |
| Calne to Opalenica | 785.87 mi (1,264.74 km) |
| Calne to Opoczno | 957.04 mi (1,540.21 km) |
