| San Diego Country Estates to Orbetello | 6,271.41 mi (10,092.86 km) |
| San Diego Country Estates to Oria | 6,585.14 mi (10,597.76 km) |
| San Diego Country Estates to Oristano | 6,309.28 mi (10,153.81 km) |
| San Diego Country Estates to Orta Nova | 6,478.42 mi (10,426.00 km) |
| San Diego Country Estates to Orte | 6,309.54 mi (10,154.23 km) |
| San Diego Country Estates to Ortona | 6,381.25 mi (10,269.63 km) |
| San Diego Country Estates to Orvieto | 6,286.88 mi (10,117.75 km) |
| San Diego Country Estates to Orzinuovi | 6,076.50 mi (9,779.19 km) |
| San Diego Country Estates to Osimo | 6,291.32 mi (10,124.90 km) |
| San Diego Country Estates to Ospitaletto | 6,073.11 mi (9,773.73 km) |
| San Diego Country Estates to Ostuni | 6,570.69 mi (10,574.50 km) |
| San Diego Country Estates to Ottaviano | 6,464.13 mi (10,403.02 km) |
| San Diego Country Estates to Ovada | 6,072.51 mi (9,772.75 km) |
| San Diego Country Estates to Ozieri | 6,289.78 mi (10,122.43 km) |
| San Diego Country Estates to Paceco | 6,550.14 mi (10,541.43 km) |
