| East Patchogue to Oerlinghausen | 3,758.62 mi (6,048.92 km) |
| East Patchogue to Oestrich-Winkel | 3,785.71 mi (6,092.52 km) |
| East Patchogue to Offenburg | 3,826.40 mi (6,158.00 km) |
| East Patchogue to Oftersheim | 3,827.33 mi (6,159.49 km) |
| East Patchogue to Ohrdruf | 3,871.88 mi (6,231.19 km) |
| East Patchogue to Ohringen | 3,869.72 mi (6,227.72 km) |
| East Patchogue to Olbernhau | 3,979.19 mi (6,403.89 km) |
| East Patchogue to Olching | 3,974.43 mi (6,396.22 km) |
| East Patchogue to Oldenburg | 3,710.15 mi (5,970.90 km) |
| East Patchogue to Oldenburg in Holstein | 3,780.92 mi (6,084.81 km) |
| East Patchogue to Olfen | 3,714.64 mi (5,978.14 km) |
| East Patchogue to Olpe | 3,751.15 mi (6,036.89 km) |
| East Patchogue to Olsberg | 3,768.03 mi (6,064.06 km) |
| East Patchogue to Oranienburg | 3,912.62 mi (6,296.75 km) |
| East Patchogue to Ortenberg | 3,818.43 mi (6,145.16 km) |
