| Olbia to Cherry Creek (Colorado) | 5,512.37 mi (8,871.30 km) |
| Olbia to Cherry Hill (Virginia) | 4,408.47 mi (7,094.75 km) |
| Olbia to Cherry Hill Mall (New Jersey) | 4,255.02 mi (6,847.79 km) |
| Olbia to Cherryland (California) | 6,205.58 mi (9,986.92 km) |
| Olbia to Chesapeake (Virginia) | 4,434.26 mi (7,136.25 km) |
| Olbia to Chester (Pennsylvania) | 4,274.66 mi (6,879.40 km) |
| Olbia to Chester (Virginia) | 4,460.92 mi (7,179.15 km) |
| Olbia to Chesterfield (Missouri) | 4,987.84 mi (8,027.16 km) |
| Olbia to Chesterton (Indiana) | 4,716.57 mi (7,590.58 km) |
| Olbia to Chestnut Ridge (New York) | 4,171.41 mi (6,713.24 km) |
| Olbia to Cheval (Florida) | 5,072.27 mi (8,163.03 km) |
| Olbia to Cheyenne (Wyoming) | 5,434.45 mi (8,745.90 km) |
| Olbia to Chicago (Illinois) | 4,733.15 mi (7,617.27 km) |
| Olbia to Chicago Heights (Illinois) | 4,744.40 mi (7,635.37 km) |
| Olbia to Chicago Ridge (Illinois) | 4,742.50 mi (7,632.31 km) |
