| Willow Grove to Nowy Dwor Mazowiecki | 4,309.69 mi (6,935.77 km) |
| Willow Grove to Nowy Sacz | 4,410.34 mi (7,097.76 km) |
| Willow Grove to Nowy Targ | 4,390.19 mi (7,065.32 km) |
| Willow Grove to Nowy Tomysl | 4,145.34 mi (6,671.28 km) |
| Willow Grove to Nysa | 4,252.24 mi (6,843.32 km) |
| Willow Grove to Oborniki | 4,159.81 mi (6,694.56 km) |
| Willow Grove to Oborniki Slaskie | 4,207.79 mi (6,771.79 km) |
| Willow Grove to Olawa | 4,235.20 mi (6,815.89 km) |
| Willow Grove to Olecko | 4,315.77 mi (6,945.56 km) |
| Willow Grove to Olesnica | 4,229.30 mi (6,806.40 km) |
| Willow Grove to Olesno | 4,279.42 mi (6,887.06 km) |
| Willow Grove to Olkusz | 4,343.67 mi (6,990.46 km) |
| Willow Grove to Olsztyn | 4,254.06 mi (6,846.24 km) |
| Willow Grove to Opalenica | 4,156.07 mi (6,688.55 km) |
| Willow Grove to Opoczno | 4,331.54 mi (6,970.93 km) |
