| Bronx to Oerlinghausen | 3,789.59 mi (6,098.76 km) |
| Bronx to Oestrich-Winkel | 3,818.12 mi (6,144.67 km) |
| Bronx to Offenburg | 3,859.79 mi (6,211.74 km) |
| Bronx to Oftersheim | 3,860.03 mi (6,212.12 km) |
| Bronx to Ohrdruf | 3,903.22 mi (6,281.63 km) |
| Bronx to Ohringen | 3,902.35 mi (6,280.23 km) |
| Bronx to Olbernhau | 4,010.12 mi (6,453.66 km) |
| Bronx to Olching | 4,007.31 mi (6,449.14 km) |
| Bronx to Oldenburg | 3,740.37 mi (6,019.55 km) |
| Bronx to Oldenburg in Holstein | 3,809.86 mi (6,131.37 km) |
| Bronx to Olfen | 3,746.01 mi (6,028.62 km) |
| Bronx to Olpe | 3,782.91 mi (6,088.00 km) |
| Bronx to Olsberg | 3,799.45 mi (6,114.62 km) |
| Bronx to Oranienburg | 3,942.19 mi (6,344.34 km) |
| Bronx to Ortenberg | 3,850.40 mi (6,196.62 km) |
