| Simpelveld to Oakley (California) | 5,529.99 mi (8,899.65 km) |
| Simpelveld to Oakton (Virginia) | 3,940.24 mi (6,341.20 km) |
| Simpelveld to Oakville (Missouri) | 4,468.47 mi (7,191.30 km) |
| Simpelveld to Oatfield (Oregon) | 5,112.68 mi (8,228.07 km) |
| Simpelveld to Ocala (Florida) | 4,606.84 mi (7,414.00 km) |
| Simpelveld to Ocean Acres (New Jersey) | 3,779.59 mi (6,082.67 km) |
| Simpelveld to Ocean City (New Jersey) | 3,813.93 mi (6,137.93 km) |
| Simpelveld to Ocean Pines (Maryland) | 3,876.14 mi (6,238.05 km) |
| Simpelveld to Ocean Pointe (Hawaii) | 7,357.57 mi (11,840.86 km) |
| Simpelveld to Ocean Springs (Mississippi) | 4,814.94 mi (7,748.90 km) |
| Simpelveld to Oceanside (California) | 5,683.09 mi (9,146.05 km) |
| Simpelveld to Oceanside (New York) | 3,714.05 mi (5,977.19 km) |
| Simpelveld to Ocoee (Florida) | 4,611.19 mi (7,421.00 km) |
| Simpelveld to Oconomowoc (Wisconsin) | 4,174.16 mi (6,717.65 km) |
| Simpelveld to Odenton (Maryland) | 3,907.66 mi (6,288.77 km) |
