| Port Orchard to Olympia (Washington) | 34.59 mi (55.67 km) |
| Port Orchard to Olympia Heights (Florida) | 2,739.55 mi (4,408.88 km) |
| Port Orchard to Omaha (Nebraska) | 1,375.03 mi (2,212.90 km) |
| Port Orchard to On Top of the World Designated Place (Florida) | 2,492.36 mi (4,011.07 km) |
| Port Orchard to Onalaska (Wisconsin) | 1,527.52 mi (2,458.30 km) |
| Port Orchard to Oneida (New York) | 2,269.45 mi (3,652.33 km) |
| Port Orchard to Oneonta (New York) | 2,314.94 mi (3,725.54 km) |
| Port Orchard to Ontario (California) | 967.45 mi (1,556.95 km) |
| Port Orchard to Ontario (Oregon) | 364.83 mi (587.13 km) |
| Port Orchard to Opa-locka (Florida) | 2,734.76 mi (4,401.18 km) |
| Port Orchard to Opelika (Alabama) | 2,193.49 mi (3,530.08 km) |
| Port Orchard to Opelousas (Louisiana) | 1,997.00 mi (3,213.86 km) |
| Port Orchard to Orange (California) | 980.29 mi (1,577.63 km) |
| Port Orchard to Orange (Texas) | 1,946.60 mi (3,132.76 km) |
| Port Orchard to Orange City (Florida) | 2,545.13 mi (4,095.99 km) |
