| Grammichele to Oakley (California) | 6,542.14 mi (10,528.55 km) |
| Grammichele to Oakton (Virginia) | 4,765.87 mi (7,669.92 km) |
| Grammichele to Oakville (Missouri) | 5,360.15 mi (8,626.33 km) |
| Grammichele to Oatfield (Oregon) | 6,137.90 mi (9,877.99 km) |
| Grammichele to Ocala (Florida) | 5,369.98 mi (8,642.14 km) |
| Grammichele to Ocean Acres (New Jersey) | 4,596.85 mi (7,397.91 km) |
| Grammichele to Ocean City (New Jersey) | 4,628.07 mi (7,448.16 km) |
| Grammichele to Ocean Pines (Maryland) | 4,684.31 mi (7,538.67 km) |
| Grammichele to Ocean Pointe (Hawaii) | 8,364.70 mi (13,461.69 km) |
| Grammichele to Ocean Springs (Mississippi) | 5,635.57 mi (9,069.58 km) |
| Grammichele to Oceanside (California) | 6,670.30 mi (10,734.80 km) |
| Grammichele to Oceanside (New York) | 4,537.02 mi (7,301.63 km) |
| Grammichele to Ocoee (Florida) | 5,363.95 mi (8,632.44 km) |
| Grammichele to Oconomowoc (Wisconsin) | 5,090.22 mi (8,191.92 km) |
| Grammichele to Odenton (Maryland) | 4,731.61 mi (7,614.78 km) |
