| Ocean Acres to Oerlinghausen | 3,857.00 mi (6,207.24 km) |
| Ocean Acres to Oestrich-Winkel | 3,883.71 mi (6,250.22 km) |
| Ocean Acres to Offenburg | 3,924.01 mi (6,315.09 km) |
| Ocean Acres to Oftersheim | 3,925.22 mi (6,317.03 km) |
| Ocean Acres to Ohrdruf | 3,970.17 mi (6,389.37 km) |
| Ocean Acres to Ohringen | 3,967.64 mi (6,385.29 km) |
| Ocean Acres to Olbernhau | 4,077.57 mi (6,562.22 km) |
| Ocean Acres to Olching | 4,072.24 mi (6,553.64 km) |
| Ocean Acres to Oldenburg | 3,808.65 mi (6,129.43 km) |
| Ocean Acres to Oldenburg in Holstein | 3,879.54 mi (6,243.52 km) |
| Ocean Acres to Olfen | 3,812.93 mi (6,136.32 km) |
| Ocean Acres to Olpe | 3,849.33 mi (6,194.90 km) |
| Ocean Acres to Olsberg | 3,866.31 mi (6,222.22 km) |
| Ocean Acres to Oranienburg | 4,011.20 mi (6,455.40 km) |
| Ocean Acres to Ortenberg | 3,916.55 mi (6,303.08 km) |
