| Sligo to Nowy Sacz | 1,273.46 mi (2,049.44 km) |
| Sligo to Nowy Targ | 1,250.81 mi (2,012.98 km) |
| Sligo to Nowy Tomysl | 1,020.23 mi (1,641.91 km) |
| Sligo to Nysa | 1,113.44 mi (1,791.91 km) |
| Sligo to Oborniki | 1,041.11 mi (1,675.50 km) |
| Sligo to Oborniki Slaskie | 1,074.34 mi (1,728.98 km) |
| Sligo to Olawa | 1,099.67 mi (1,769.75 km) |
| Sligo to Olecko | 1,243.74 mi (2,001.61 km) |
| Sligo to Olesnica | 1,096.22 mi (1,764.19 km) |
| Sligo to Olesno | 1,146.24 mi (1,844.70 km) |
| Sligo to Olkusz | 1,208.69 mi (1,945.20 km) |
| Sligo to Olsztyn | 1,167.81 mi (1,879.41 km) |
| Sligo to Opalenica | 1,031.72 mi (1,660.39 km) |
| Sligo to Opoczno | 1,208.97 mi (1,945.65 km) |
| Sligo to Opole | 1,132.27 mi (1,822.22 km) |
