| San Francisco to Nasaud | 6,215.19 mi (10,002.38 km) |
| San Francisco to Navodari | 6,484.63 mi (10,436.01 km) |
| San Francisco to Negresti-Oas | 6,158.73 mi (9,911.52 km) |
| San Francisco to Nehoiu | 6,374.30 mi (10,258.44 km) |
| San Francisco to Ocna Mures | 6,259.50 mi (10,073.69 km) |
| San Francisco to Odobesti | 6,363.14 mi (10,240.48 km) |
| San Francisco to Odorheiu Secuiesc | 6,293.83 mi (10,128.95 km) |
| San Francisco to Oltenita | 6,460.81 mi (10,397.67 km) |
| San Francisco to Onesti | 6,326.28 mi (10,181.17 km) |
| San Francisco to Oradea | 6,176.11 mi (9,939.49 km) |
| San Francisco to Orastie | 6,278.97 mi (10,105.03 km) |
| San Francisco to Oravita | 6,295.40 mi (10,131.47 km) |
| San Francisco to Orsova | 6,330.72 mi (10,188.31 km) |
| San Francisco to Otelu Rosu | 6,280.97 mi (10,108.24 km) |
| San Francisco to Otopeni | 6,420.12 mi (10,332.19 km) |
