| Hasselt to Oakley (California) | 5,506.92 mi (8,862.53 km) |
| Hasselt to Oakton (Virginia) | 3,911.71 mi (6,295.29 km) |
| Hasselt to Oakville (Missouri) | 4,440.81 mi (7,146.80 km) |
| Hasselt to Oatfield (Oregon) | 5,091.05 mi (8,193.26 km) |
| Hasselt to Ocala (Florida) | 4,578.03 mi (7,367.63 km) |
| Hasselt to Ocean Acres (New Jersey) | 3,750.99 mi (6,036.63 km) |
| Hasselt to Ocean City (New Jersey) | 3,785.30 mi (6,091.86 km) |
| Hasselt to Ocean Pines (Maryland) | 3,847.48 mi (6,191.92 km) |
| Hasselt to Ocean Pointe (Hawaii) | 7,343.44 mi (11,818.12 km) |
| Hasselt to Ocean Springs (Mississippi) | 4,786.47 mi (7,703.08 km) |
| Hasselt to Oceanside (California) | 5,658.43 mi (9,106.37 km) |
| Hasselt to Oceanside (New York) | 3,685.48 mi (5,931.20 km) |
| Hasselt to Ocoee (Florida) | 4,582.35 mi (7,374.58 km) |
| Hasselt to Oconomowoc (Wisconsin) | 4,146.92 mi (6,673.82 km) |
| Hasselt to Odenton (Maryland) | 3,879.12 mi (6,242.83 km) |
