| West Linn to Olympia (Washington) | 116.36 mi (187.26 km) |
| West Linn to Olympia Heights (Florida) | 2,695.55 mi (4,338.07 km) |
| West Linn to Omaha (Nebraska) | 1,359.73 mi (2,188.27 km) |
| West Linn to On Top of the World Designated Place (Florida) | 2,454.00 mi (3,949.34 km) |
| West Linn to Onalaska (Wisconsin) | 1,539.15 mi (2,477.02 km) |
| West Linn to Oneida (New York) | 2,298.29 mi (3,698.75 km) |
| West Linn to Oneonta (New York) | 2,341.92 mi (3,768.96 km) |
| West Linn to Ontario (California) | 826.70 mi (1,330.44 km) |
| West Linn to Ontario (Oregon) | 293.13 mi (471.75 km) |
| West Linn to Opa-locka (Florida) | 2,691.47 mi (4,331.50 km) |
| West Linn to Opelika (Alabama) | 2,160.23 mi (3,476.56 km) |
| West Linn to Opelousas (Louisiana) | 1,937.68 mi (3,118.40 km) |
| West Linn to Orange (California) | 838.71 mi (1,349.77 km) |
| West Linn to Orange (Texas) | 1,880.85 mi (3,026.94 km) |
| West Linn to Orange City (Florida) | 2,508.61 mi (4,037.22 km) |
