| Tacoma to Olivares | 5,392.16 mi (8,677.84 km) |
| Tacoma to Olivenza | 5,291.40 mi (8,515.69 km) |
| Tacoma to Olot | 5,401.44 mi (8,692.78 km) |
| Tacoma to Onate | 5,207.18 mi (8,380.14 km) |
| Tacoma to Onda | 5,443.90 mi (8,761.11 km) |
| Tacoma to Onteniente | 5,497.00 mi (8,846.56 km) |
| Tacoma to Orihuela | 5,527.41 mi (8,895.50 km) |
| Tacoma to Osuna | 5,437.80 mi (8,751.29 km) |
| Tacoma to Ourense | 5,071.51 mi (8,161.80 km) |
| Tacoma to Oviedo | 5,082.37 mi (8,179.28 km) |
| Tacoma to Paiporta | 5,469.03 mi (8,801.55 km) |
| Tacoma to Pajara | 5,580.12 mi (8,980.34 km) |
| Tacoma to Palafolls | 5,438.26 mi (8,752.03 km) |
| Tacoma to Palafrugell | 5,436.09 mi (8,748.55 km) |
| Tacoma to Palamos | 5,439.19 mi (8,753.53 km) |
