| San Diego Country Estates to Oerlinghausen | 5,704.68 mi (9,180.80 km) |
| San Diego Country Estates to Oestrich-Winkel | 5,782.89 mi (9,306.67 km) |
| San Diego Country Estates to Offenburg | 5,857.24 mi (9,426.31 km) |
| San Diego Country Estates to Oftersheim | 5,832.40 mi (9,386.35 km) |
| San Diego Country Estates to Ohrdruf | 5,822.90 mi (9,371.05 km) |
| San Diego Country Estates to Ohringen | 5,869.18 mi (9,445.54 km) |
| San Diego Country Estates to Olbernhau | 5,905.89 mi (9,504.61 km) |
| San Diego Country Estates to Olching | 5,975.97 mi (9,617.40 km) |
| San Diego Country Estates to Oldenburg | 5,632.79 mi (9,065.09 km) |
| San Diego Country Estates to Oldenburg in Holstein | 5,648.93 mi (9,091.08 km) |
| San Diego Country Estates to Olfen | 5,679.05 mi (9,139.56 km) |
| San Diego Country Estates to Olpe | 5,727.24 mi (9,217.10 km) |
| San Diego Country Estates to Olsberg | 5,730.13 mi (9,221.76 km) |
| San Diego Country Estates to Oranienburg | 5,792.94 mi (9,322.84 km) |
| San Diego Country Estates to Ortenberg | 5,797.20 mi (9,329.69 km) |
