| Grugliasco to Oakley (California) | 5,887.65 mi (9,475.26 km) |
| Grugliasco to Oakton (Virginia) | 4,175.15 mi (6,719.25 km) |
| Grugliasco to Oakville (Missouri) | 4,742.67 mi (7,632.59 km) |
| Grugliasco to Oatfield (Oregon) | 5,484.38 mi (8,826.26 km) |
| Grugliasco to Ocala (Florida) | 4,811.05 mi (7,742.64 km) |
| Grugliasco to Ocean Acres (New Jersey) | 4,009.22 mi (6,452.21 km) |
| Grugliasco to Ocean City (New Jersey) | 4,041.98 mi (6,504.93 km) |
| Grugliasco to Ocean Pines (Maryland) | 4,101.17 mi (6,600.20 km) |
| Grugliasco to Ocean Pointe (Hawaii) | 7,761.40 mi (12,490.77 km) |
| Grugliasco to Ocean Springs (Mississippi) | 5,050.24 mi (8,127.58 km) |
| Grugliasco to Oceanside (California) | 6,020.42 mi (9,688.93 km) |
| Grugliasco to Oceanside (New York) | 3,946.57 mi (6,351.40 km) |
| Grugliasco to Ocoee (Florida) | 4,810.08 mi (7,741.07 km) |
| Grugliasco to Oconomowoc (Wisconsin) | 4,462.42 mi (7,181.58 km) |
| Grugliasco to Odenton (Maryland) | 4,141.51 mi (6,665.12 km) |
