| Olbia to West St. Paul (Minnesota) | 4,821.01 mi (7,758.67 km) |
| Olbia to West University Place (Texas) | 5,600.09 mi (9,012.47 km) |
| Olbia to West Valley City (Utah) | 5,712.25 mi (9,192.97 km) |
| Olbia to West Whittier-Los Nietos (California) | 6,281.97 mi (10,109.85 km) |
| Olbia to Westbrook (Maine) | 3,919.07 mi (6,307.14 km) |
| Olbia to Westbury (New York) | 4,161.63 mi (6,697.49 km) |
| Olbia to Westchase (Florida) | 5,080.38 mi (8,176.09 km) |
| Olbia to Westchester (Florida) | 5,069.05 mi (8,157.84 km) |
| Olbia to Westchester (Illinois) | 4,741.13 mi (7,630.10 km) |
| Olbia to Western Springs (Illinois) | 4,743.46 mi (7,633.87 km) |
| Olbia to Westerville (Ohio) | 4,599.32 mi (7,401.90 km) |
| Olbia to Westfield (Indiana) | 4,742.22 mi (7,631.86 km) |
| Olbia to Westfield (Massachusetts) | 4,077.00 mi (6,561.29 km) |
| Olbia to Westfield (New Jersey) | 4,199.48 mi (6,758.41 km) |
| Olbia to Westlake (Ohio) | 4,504.87 mi (7,249.89 km) |
