| San Diego to Nasaud | 6,408.25 mi (10,313.09 km) |
| San Diego to Navodari | 6,686.72 mi (10,761.24 km) |
| San Diego to Negresti-Oas | 6,349.67 mi (10,218.80 km) |
| San Diego to Nehoiu | 6,569.19 mi (10,572.09 km) |
| San Diego to Ocna Mures | 6,447.11 mi (10,375.63 km) |
| San Diego to Odobesti | 6,562.76 mi (10,561.75 km) |
| San Diego to Odorheiu Secuiesc | 6,487.47 mi (10,440.58 km) |
| San Diego to Oltenita | 6,653.07 mi (10,707.08 km) |
| San Diego to Onesti | 6,526.17 mi (10,502.85 km) |
| San Diego to Oradea | 6,357.83 mi (10,231.93 km) |
| San Diego to Orastie | 6,461.80 mi (10,399.26 km) |
| San Diego to Oravita | 6,468.57 mi (10,410.16 km) |
| San Diego to Orsova | 6,505.90 mi (10,470.23 km) |
| San Diego to Otelu Rosu | 6,458.86 mi (10,394.53 km) |
| San Diego to Otopeni | 6,611.31 mi (10,639.88 km) |
