| Olgiate Olona to Nowy Sacz | 614.40 mi (988.79 km) |
| Olgiate Olona to Nowy Targ | 582.06 mi (936.74 km) |
| Olgiate Olona to Nowy Tomysl | 566.27 mi (911.32 km) |
| Olgiate Olona to Nysa | 513.32 mi (826.10 km) |
| Olgiate Olona to Oborniki | 602.25 mi (969.22 km) |
| Olgiate Olona to Oborniki Slaskie | 536.20 mi (862.93 km) |
| Olgiate Olona to Olawa | 532.16 mi (856.43 km) |
| Olgiate Olona to Olecko | 837.05 mi (1,347.10 km) |
| Olgiate Olona to Olesnica | 546.94 mi (880.21 km) |
| Olgiate Olona to Olesno | 568.00 mi (914.11 km) |
| Olgiate Olona to Olkusz | 588.56 mi (947.19 km) |
| Olgiate Olona to Olsztyn | 763.07 mi (1,228.04 km) |
| Olgiate Olona to Opalenica | 573.21 mi (922.50 km) |
| Olgiate Olona to Opoczno | 654.53 mi (1,053.37 km) |
| Olgiate Olona to Opole | 542.46 mi (873.00 km) |
