| Poughkeepsie to Oerlinghausen | 3,753.09 mi (6,040.02 km) |
| Poughkeepsie to Oestrich-Winkel | 3,783.57 mi (6,089.06 km) |
| Poughkeepsie to Offenburg | 3,826.66 mi (6,158.42 km) |
| Poughkeepsie to Oftersheim | 3,825.89 mi (6,157.17 km) |
| Poughkeepsie to Ohrdruf | 3,867.20 mi (6,223.66 km) |
| Poughkeepsie to Ohringen | 3,868.11 mi (6,225.12 km) |
| Poughkeepsie to Olbernhau | 3,973.53 mi (6,394.78 km) |
| Poughkeepsie to Olching | 3,973.41 mi (6,394.58 km) |
| Poughkeepsie to Oldenburg | 3,702.93 mi (5,959.29 km) |
| Poughkeepsie to Oldenburg in Holstein | 3,770.81 mi (6,068.54 km) |
| Poughkeepsie to Olfen | 3,710.05 mi (5,970.75 km) |
| Poughkeepsie to Olpe | 3,747.47 mi (6,030.98 km) |
| Poughkeepsie to Olsberg | 3,763.55 mi (6,056.85 km) |
| Poughkeepsie to Oranienburg | 3,903.89 mi (6,282.71 km) |
| Poughkeepsie to Ortenberg | 3,815.24 mi (6,140.04 km) |
