| Irmo to Nowy Dwor Mazowiecki | 4,844.19 mi (7,795.98 km) |
| Irmo to Nowy Sacz | 4,943.21 mi (7,955.33 km) |
| Irmo to Nowy Targ | 4,922.71 mi (7,922.34 km) |
| Irmo to Nowy Tomysl | 4,678.97 mi (7,530.07 km) |
| Irmo to Nysa | 4,784.77 mi (7,700.34 km) |
| Irmo to Oborniki | 4,693.78 mi (7,553.91 km) |
| Irmo to Oborniki Slaskie | 4,740.87 mi (7,629.70 km) |
| Irmo to Olawa | 4,768.10 mi (7,673.51 km) |
| Irmo to Olecko | 4,850.78 mi (7,806.58 km) |
| Irmo to Olesnica | 4,762.43 mi (7,664.39 km) |
| Irmo to Olesno | 4,812.58 mi (7,745.10 km) |
| Irmo to Olkusz | 4,876.71 mi (7,848.30 km) |
| Irmo to Olsztyn | 4,788.94 mi (7,707.05 km) |
| Irmo to Opalenica | 4,689.75 mi (7,547.42 km) |
| Irmo to Opoczno | 4,865.47 mi (7,830.22 km) |
