| Olbia to Greenfield (Indiana) | 4,735.77 mi (7,621.49 km) |
| Olbia to Greenfield (Wisconsin) | 4,700.37 mi (7,564.51 km) |
| Olbia to Greenlawn (New York) | 4,147.89 mi (6,675.38 km) |
| Olbia to Greensboro (North Carolina) | 4,619.36 mi (7,434.13 km) |
| Olbia to Greensburg (Indiana) | 4,742.08 mi (7,631.63 km) |
| Olbia to Greensburg (Pennsylvania) | 4,444.15 mi (7,152.16 km) |
| Olbia to Greentree (New Jersey) | 4,254.15 mi (6,846.39 km) |
| Olbia to Greenville (Mississippi) | 5,239.11 mi (8,431.53 km) |
| Olbia to Greenville (North Carolina) | 4,525.57 mi (7,283.21 km) |
| Olbia to Greenville (Ohio) | 4,673.67 mi (7,521.54 km) |
| Olbia to Greenville (South Carolina) | 4,786.17 mi (7,702.60 km) |
| Olbia to Greenville (Texas) | 5,471.84 mi (8,806.07 km) |
| Olbia to Greenwood (Indiana) | 4,757.91 mi (7,657.11 km) |
| Olbia to Greenwood (Mississippi) | 5,195.72 mi (8,361.70 km) |
| Olbia to Greenwood (South Carolina) | 4,802.65 mi (7,729.12 km) |
