| Groningen to Oakley (California) | 5,418.11 mi (8,719.61 km) |
| Groningen to Oakton (Virginia) | 3,900.62 mi (6,277.44 km) |
| Groningen to Oakville (Missouri) | 4,406.96 mi (7,092.32 km) |
| Groningen to Oatfield (Oregon) | 4,991.68 mi (8,033.33 km) |
| Groningen to Ocala (Florida) | 4,579.97 mi (7,370.75 km) |
| Groningen to Ocean Acres (New Jersey) | 3,743.22 mi (6,024.13 km) |
| Groningen to Ocean City (New Jersey) | 3,778.21 mi (6,080.43 km) |
| Groningen to Ocean Pines (Maryland) | 3,841.68 mi (6,182.58 km) |
| Groningen to Ocean Pointe (Hawaii) | 7,205.10 mi (11,595.49 km) |
| Groningen to Ocean Springs (Mississippi) | 4,772.35 mi (7,680.36 km) |
| Groningen to Oceanside (California) | 5,583.71 mi (8,986.11 km) |
| Groningen to Oceanside (New York) | 3,676.48 mi (5,916.72 km) |
| Groningen to Ocoee (Florida) | 4,586.83 mi (7,381.80 km) |
| Groningen to Oconomowoc (Wisconsin) | 4,105.89 mi (6,607.80 km) |
| Groningen to Odenton (Maryland) | 3,868.69 mi (6,226.06 km) |
