| Dix Hills to Oerlinghausen | 3,771.06 mi (6,068.94 km) |
| Dix Hills to Oestrich-Winkel | 3,798.73 mi (6,113.47 km) |
| Dix Hills to Offenburg | 3,839.82 mi (6,179.59 km) |
| Dix Hills to Oftersheim | 3,840.47 mi (6,180.64 km) |
| Dix Hills to Ohrdruf | 3,884.47 mi (6,251.45 km) |
| Dix Hills to Ohringen | 3,882.84 mi (6,248.82 km) |
| Dix Hills to Olbernhau | 3,991.62 mi (6,423.89 km) |
| Dix Hills to Olching | 3,987.64 mi (6,417.49 km) |
| Dix Hills to Oldenburg | 3,722.29 mi (5,990.44 km) |
| Dix Hills to Oldenburg in Holstein | 3,792.54 mi (6,103.50 km) |
| Dix Hills to Olfen | 3,727.24 mi (5,998.41 km) |
| Dix Hills to Olpe | 3,763.91 mi (6,057.42 km) |
| Dix Hills to Olsberg | 3,780.65 mi (6,084.37 km) |
| Dix Hills to Oranienburg | 3,924.50 mi (6,315.87 km) |
| Dix Hills to Ortenberg | 3,831.27 mi (6,165.84 km) |
