| Platteville to Oerlinghausen | 4,314.60 mi (6,943.68 km) |
| Platteville to Oestrich-Winkel | 4,369.51 mi (7,032.05 km) |
| Platteville to Offenburg | 4,429.09 mi (7,127.93 km) |
| Platteville to Oftersheim | 4,416.16 mi (7,107.12 km) |
| Platteville to Ohrdruf | 4,432.88 mi (7,134.03 km) |
| Platteville to Ohringen | 4,456.35 mi (7,171.81 km) |
| Platteville to Olbernhau | 4,529.75 mi (7,289.92 km) |
| Platteville to Olching | 4,564.13 mi (7,345.25 km) |
| Platteville to Oldenburg | 4,252.64 mi (6,843.97 km) |
| Platteville to Oldenburg in Holstein | 4,296.46 mi (6,914.48 km) |
| Platteville to Olfen | 4,279.45 mi (6,887.11 km) |
| Platteville to Olpe | 4,322.96 mi (6,957.13 km) |
| Platteville to Olsberg | 4,332.73 mi (6,972.85 km) |
| Platteville to Oranienburg | 4,437.69 mi (7,141.77 km) |
| Platteville to Ortenberg | 4,393.03 mi (7,069.89 km) |
