| Conwy to Nowy Dwor Mazowiecki | 1,020.69 mi (1,642.64 km) |
| Conwy to Nowy Sacz | 1,080.04 mi (1,738.15 km) |
| Conwy to Nowy Targ | 1,056.28 mi (1,699.92 km) |
| Conwy to Nowy Tomysl | 833.89 mi (1,342.01 km) |
| Conwy to Nysa | 919.75 mi (1,480.20 km) |
| Conwy to Oborniki | 857.32 mi (1,379.72 km) |
| Conwy to Oborniki Slaskie | 883.58 mi (1,421.99 km) |
| Conwy to Olawa | 907.73 mi (1,460.86 km) |
| Conwy to Olecko | 1,073.14 mi (1,727.05 km) |
| Conwy to Olesnica | 905.49 mi (1,457.25 km) |
| Conwy to Olesno | 955.14 mi (1,537.14 km) |
| Conwy to Olkusz | 1,016.41 mi (1,635.76 km) |
| Conwy to Olsztyn | 994.09 mi (1,599.84 km) |
| Conwy to Opalenica | 845.58 mi (1,360.83 km) |
| Conwy to Opoczno | 1,021.82 mi (1,644.45 km) |
