| Lake Stevens to Orbetello | 5,571.02 mi (8,965.70 km) |
| Lake Stevens to Oria | 5,843.93 mi (9,404.89 km) |
| Lake Stevens to Oristano | 5,653.73 mi (9,098.80 km) |
| Lake Stevens to Orta Nova | 5,747.98 mi (9,250.47 km) |
| Lake Stevens to Orte | 5,598.99 mi (9,010.70 km) |
| Lake Stevens to Ortona | 5,654.43 mi (9,099.93 km) |
| Lake Stevens to Orvieto | 5,576.59 mi (8,974.66 km) |
| Lake Stevens to Orzinuovi | 5,362.11 mi (8,629.48 km) |
| Lake Stevens to Osimo | 5,563.52 mi (8,953.61 km) |
| Lake Stevens to Ospitaletto | 5,356.32 mi (8,620.16 km) |
| Lake Stevens to Ostuni | 5,828.27 mi (9,379.69 km) |
| Lake Stevens to Ottaviano | 5,748.08 mi (9,250.65 km) |
| Lake Stevens to Ovada | 5,374.91 mi (8,650.09 km) |
| Lake Stevens to Ozieri | 5,624.50 mi (9,051.77 km) |
| Lake Stevens to Paceco | 5,874.44 mi (9,454.00 km) |
