| Bothell West to Orbetello | 5,586.08 mi (8,989.93 km) |
| Bothell West to Oria | 5,859.06 mi (9,429.25 km) |
| Bothell West to Oristano | 5,668.68 mi (9,122.85 km) |
| Bothell West to Orta Nova | 5,763.10 mi (9,274.81 km) |
| Bothell West to Orte | 5,614.07 mi (9,034.97 km) |
| Bothell West to Ortona | 5,669.54 mi (9,124.25 km) |
| Bothell West to Orvieto | 5,591.67 mi (8,998.93 km) |
| Bothell West to Orzinuovi | 5,377.19 mi (8,653.75 km) |
| Bothell West to Osimo | 5,578.63 mi (8,977.93 km) |
| Bothell West to Ospitaletto | 5,371.40 mi (8,644.43 km) |
| Bothell West to Ostuni | 5,843.41 mi (9,404.06 km) |
| Bothell West to Ottaviano | 5,763.18 mi (9,274.94 km) |
| Bothell West to Ovada | 5,389.96 mi (8,674.30 km) |
| Bothell West to Ozieri | 5,639.48 mi (9,075.86 km) |
| Bothell West to Paceco | 5,889.46 mi (9,478.17 km) |
