| Tacoma to Octeville | 4,869.70 mi (7,837.03 km) |
| Tacoma to Oignies | 4,946.83 mi (7,961.16 km) |
| Tacoma to Oissel | 4,959.88 mi (7,982.15 km) |
| Tacoma to Olivet | 5,064.12 mi (8,149.92 km) |
| Tacoma to Ollioules | 5,441.34 mi (8,756.99 km) |
| Tacoma to Olonne-sur-Mer | 5,034.46 mi (8,102.18 km) |
| Tacoma to Oloron-Sainte-Marie | 5,253.15 mi (8,454.12 km) |
| Tacoma to Onet Village | 5,280.50 mi (8,498.15 km) |
| Tacoma to Onnaing | 4,966.85 mi (7,993.38 km) |
| Tacoma to Orange | 5,355.19 mi (8,618.34 km) |
| Tacoma to Orchies | 4,952.94 mi (7,970.98 km) |
| Tacoma to Orleans | 5,062.19 mi (8,146.81 km) |
| Tacoma to Orly | 5,027.99 mi (8,091.78 km) |
| Tacoma to Ormesson-sur-Marne | 5,029.50 mi (8,094.20 km) |
| Tacoma to Orsay | 5,025.10 mi (8,087.11 km) |
