| San Marino to Nyon | 5,885.77 mi (9,472.23 km) |
| San Marino to Oberriet | 5,943.77 mi (9,565.57 km) |
| San Marino to Obersiggenthal | 5,895.46 mi (9,487.82 km) |
| San Marino to Oberwil | 5,870.97 mi (9,448.41 km) |
| San Marino to Oberwingert | 5,908.74 mi (9,509.20 km) |
| San Marino to Oftringen | 5,892.42 mi (9,482.93 km) |
| San Marino to Olten | 5,890.19 mi (9,479.35 km) |
| San Marino to Onex | 5,891.45 mi (9,481.37 km) |
| San Marino to Opfikon | 5,906.77 mi (9,506.03 km) |
| San Marino to Ostermundigen | 5,897.37 mi (9,490.89 km) |
| San Marino to Payerne | 5,886.59 mi (9,473.56 km) |
| San Marino to Pfaffikon | 5,916.95 mi (9,522.41 km) |
| San Marino to Plan-les-Ouates | 5,892.83 mi (9,483.59 km) |
| San Marino to Pratteln | 5,875.38 mi (9,455.51 km) |
| San Marino to Prilly | 5,890.16 mi (9,479.29 km) |
