| San Marino to Nasaud | 6,351.06 mi (10,221.05 km) |
| San Marino to Navodari | 6,627.82 mi (10,666.45 km) |
| San Marino to Negresti-Oas | 6,292.89 mi (10,127.42 km) |
| San Marino to Nehoiu | 6,511.75 mi (10,479.65 km) |
| San Marino to Ocna Mures | 6,391.15 mi (10,285.56 km) |
| San Marino to Odobesti | 6,504.29 mi (10,467.64 km) |
| San Marino to Odorheiu Secuiesc | 6,430.23 mi (10,348.46 km) |
| San Marino to Oltenita | 6,596.28 mi (10,615.69 km) |
| San Marino to Onesti | 6,467.60 mi (10,408.60 km) |
| San Marino to Oradea | 6,303.07 mi (10,143.81 km) |
| San Marino to Orastie | 6,406.89 mi (10,310.90 km) |
| San Marino to Oravita | 6,415.79 mi (10,325.21 km) |
| San Marino to Orsova | 6,452.71 mi (10,384.64 km) |
| San Marino to Otelu Rosu | 6,405.03 mi (10,307.90 km) |
| San Marino to Otopeni | 6,554.72 mi (10,548.80 km) |
