| Porterville to Nowy Dwor Mazowiecki | 5,859.77 mi (9,430.39 km) |
| Porterville to Nowy Sacz | 6,024.69 mi (9,695.80 km) |
| Porterville to Nowy Targ | 6,017.85 mi (9,684.79 km) |
| Porterville to Nowy Tomysl | 5,760.29 mi (9,270.30 km) |
| Porterville to Nysa | 5,894.67 mi (9,486.55 km) |
| Porterville to Oborniki | 5,757.78 mi (9,266.25 km) |
| Porterville to Oborniki Slaskie | 5,836.81 mi (9,393.44 km) |
| Porterville to Olawa | 5,867.40 mi (9,442.66 km) |
| Porterville to Olecko | 5,803.00 mi (9,339.03 km) |
| Porterville to Olesnica | 5,854.16 mi (9,421.35 km) |
| Porterville to Olesno | 5,897.72 mi (9,491.47 km) |
| Porterville to Olkusz | 5,959.51 mi (9,590.90 km) |
| Porterville to Olsztyn | 5,775.59 mi (9,294.92 km) |
| Porterville to Opalenica | 5,767.57 mi (9,282.01 km) |
| Porterville to Opoczno | 5,912.16 mi (9,514.70 km) |
