| Tacoma to Opole | 5,273.49 mi (8,486.87 km) |
| Tacoma to Orzesze | 5,321.39 mi (8,563.95 km) |
| Tacoma to Osowa | 5,051.05 mi (8,128.88 km) |
| Tacoma to Ostroda | 5,122.81 mi (8,244.37 km) |
| Tacoma to Ostroleka | 5,190.29 mi (8,352.96 km) |
| Tacoma to Ostrow Mazowiecka | 5,212.79 mi (8,389.17 km) |
| Tacoma to Ostrow Wielkopolski | 5,210.49 mi (8,385.47 km) |
| Tacoma to Ostrowiec Swietokrzyski | 5,321.69 mi (8,564.44 km) |
| Tacoma to Ostrzeszow | 5,227.12 mi (8,412.23 km) |
| Tacoma to Oswiecim | 5,337.43 mi (8,589.76 km) |
| Tacoma to Otwock | 5,244.85 mi (8,440.76 km) |
| Tacoma to Ozarow Mazowiecki | 5,230.32 mi (8,417.39 km) |
| Tacoma to Ozimek | 5,278.54 mi (8,494.99 km) |
| Tacoma to Ozorkow | 5,218.47 mi (8,398.32 km) |
| Tacoma to Pabianice | 5,240.04 mi (8,433.04 km) |
