| Franklin Square to Oerlinghausen | 3,789.10 mi (6,097.97 km) |
| Franklin Square to Oestrich-Winkel | 3,817.03 mi (6,142.91 km) |
| Franklin Square to Offenburg | 3,858.28 mi (6,209.30 km) |
| Franklin Square to Oftersheim | 3,858.81 mi (6,210.16 km) |
| Franklin Square to Ohrdruf | 3,902.58 mi (6,280.59 km) |
| Franklin Square to Ohringen | 3,901.17 mi (6,278.32 km) |
| Franklin Square to Olbernhau | 4,009.65 mi (6,452.90 km) |
| Franklin Square to Olching | 4,006.02 mi (6,447.06 km) |
| Franklin Square to Oldenburg | 3,740.18 mi (6,019.24 km) |
| Franklin Square to Oldenburg in Holstein | 3,810.18 mi (6,131.89 km) |
| Franklin Square to Olfen | 3,745.35 mi (6,027.56 km) |
| Franklin Square to Olpe | 3,782.09 mi (6,086.68 km) |
| Franklin Square to Olsberg | 3,798.77 mi (6,113.54 km) |
| Franklin Square to Oranienburg | 3,942.26 mi (6,344.46 km) |
| Franklin Square to Ortenberg | 3,849.49 mi (6,195.16 km) |
