| Drexel Hill to Noventa Vicentina | 4,209.11 mi (6,773.91 km) |
| Drexel Hill to Novi di Modena | 4,195.05 mi (6,751.28 km) |
| Drexel Hill to Novi Ligure | 4,108.08 mi (6,611.32 km) |
| Drexel Hill to Nuoro | 4,281.03 mi (6,889.65 km) |
| Drexel Hill to Occhiobello | 4,223.25 mi (6,796.67 km) |
| Drexel Hill to Oderzo | 4,233.08 mi (6,812.48 km) |
| Drexel Hill to Oggiono | 4,099.65 mi (6,597.74 km) |
| Drexel Hill to Olbia | 4,267.84 mi (6,868.43 km) |
| Drexel Hill to Oleggio | 4,074.73 mi (6,557.64 km) |
| Drexel Hill to Olgiate Comasco | 4,083.24 mi (6,571.35 km) |
| Drexel Hill to Olgiate Olona | 4,084.42 mi (6,573.23 km) |
| Drexel Hill to Omegna | 4,056.27 mi (6,527.93 km) |
| Drexel Hill to Opera | 4,106.70 mi (6,609.10 km) |
| Drexel Hill to Oppeano | 4,193.64 mi (6,749.01 km) |
| Drexel Hill to Orbassano | 4,045.90 mi (6,511.25 km) |
