| Willow Grove to Noventa Vicentina | 4,193.08 mi (6,748.11 km) |
| Willow Grove to Novi di Modena | 4,179.08 mi (6,725.57 km) |
| Willow Grove to Novi Ligure | 4,092.20 mi (6,585.76 km) |
| Willow Grove to Nuoro | 4,265.60 mi (6,864.82 km) |
| Willow Grove to Occhiobello | 4,207.25 mi (6,770.92 km) |
| Willow Grove to Oderzo | 4,216.97 mi (6,786.56 km) |
| Willow Grove to Oggiono | 4,083.65 mi (6,571.99 km) |
| Willow Grove to Olbia | 4,252.34 mi (6,843.48 km) |
| Willow Grove to Oleggio | 4,058.77 mi (6,531.96 km) |
| Willow Grove to Olgiate Comasco | 4,067.26 mi (6,545.62 km) |
| Willow Grove to Olgiate Olona | 4,068.45 mi (6,547.53 km) |
| Willow Grove to Omegna | 4,040.29 mi (6,502.22 km) |
| Willow Grove to Opera | 4,090.75 mi (6,583.42 km) |
| Willow Grove to Oppeano | 4,177.62 mi (6,723.23 km) |
| Willow Grove to Orbassano | 4,030.04 mi (6,485.72 km) |
