| Solon to Orbetello | 4,500.24 mi (7,242.44 km) |
| Solon to Oria | 4,847.54 mi (7,801.37 km) |
| Solon to Oristano | 4,485.82 mi (7,219.23 km) |
| Solon to Orta Nova | 4,732.98 mi (7,616.99 km) |
| Solon to Orte | 4,548.68 mi (7,320.39 km) |
| Solon to Ortona | 4,636.87 mi (7,462.31 km) |
| Solon to Orvieto | 4,526.99 mi (7,285.49 km) |
| Solon to Orzinuovi | 4,334.51 mi (6,975.72 km) |
| Solon to Osimo | 4,553.66 mi (7,328.40 km) |
| Solon to Ospitaletto | 4,334.47 mi (6,975.66 km) |
| Solon to Ostuni | 4,835.55 mi (7,782.07 km) |
| Solon to Ottaviano | 4,701.25 mi (7,565.93 km) |
| Solon to Ovada | 4,309.46 mi (6,935.41 km) |
| Solon to Ozieri | 4,477.55 mi (7,205.93 km) |
| Solon to Paceco | 4,736.15 mi (7,622.09 km) |
