| Drexel Heights to Oerlinghausen | 5,580.24 mi (8,980.54 km) |
| Drexel Heights to Oestrich-Winkel | 5,649.02 mi (9,091.22 km) |
| Drexel Heights to Offenburg | 5,717.17 mi (9,200.90 km) |
| Drexel Heights to Oftersheim | 5,697.50 mi (9,169.24 km) |
| Drexel Heights to Ohrdruf | 5,699.04 mi (9,171.73 km) |
| Drexel Heights to Ohringen | 5,735.91 mi (9,231.06 km) |
| Drexel Heights to Olbernhau | 5,788.08 mi (9,315.01 km) |
| Drexel Heights to Olching | 5,843.57 mi (9,404.32 km) |
| Drexel Heights to Oldenburg | 5,512.02 mi (8,870.74 km) |
| Drexel Heights to Oldenburg in Holstein | 5,539.07 mi (8,914.27 km) |
| Drexel Heights to Olfen | 5,550.57 mi (8,932.77 km) |
| Drexel Heights to Olpe | 5,597.01 mi (9,007.52 km) |
| Drexel Heights to Olsberg | 5,602.79 mi (9,016.82 km) |
| Drexel Heights to Oranienburg | 5,682.79 mi (9,145.57 km) |
| Drexel Heights to Ortenberg | 5,667.32 mi (9,120.67 km) |
