| Enumclaw to Orbetello | 5,614.75 mi (9,036.07 km) |
| Enumclaw to Oria | 5,889.59 mi (9,478.38 km) |
| Enumclaw to Oristano | 5,695.59 mi (9,166.17 km) |
| Enumclaw to Orta Nova | 5,793.12 mi (9,323.13 km) |
| Enumclaw to Orte | 5,643.17 mi (9,081.81 km) |
| Enumclaw to Ortona | 5,699.35 mi (9,172.22 km) |
| Enumclaw to Orvieto | 5,620.75 mi (9,045.72 km) |
| Enumclaw to Orzinuovi | 5,406.26 mi (8,700.53 km) |
| Enumclaw to Osimo | 5,608.40 mi (9,025.85 km) |
| Enumclaw to Ospitaletto | 5,400.56 mi (8,691.37 km) |
| Enumclaw to Ostuni | 5,873.97 mi (9,453.24 km) |
| Enumclaw to Ottaviano | 5,792.63 mi (9,322.33 km) |
| Enumclaw to Ovada | 5,418.35 mi (8,719.99 km) |
| Enumclaw to Ozieri | 5,666.77 mi (9,119.78 km) |
| Enumclaw to Paceco | 5,917.38 mi (9,523.11 km) |
