| Abertawe to Oakley (California) | 5,198.80 mi (8,366.65 km) |
| Abertawe to Oakton (Virginia) | 3,517.29 mi (5,660.53 km) |
| Abertawe to Oakville (Missouri) | 4,061.86 mi (6,536.94 km) |
| Abertawe to Oatfield (Oregon) | 4,805.77 mi (7,734.14 km) |
| Abertawe to Ocala (Florida) | 4,177.47 mi (6,722.99 km) |
| Abertawe to Ocean Acres (New Jersey) | 3,354.99 mi (5,399.34 km) |
| Abertawe to Ocean City (New Jersey) | 3,388.95 mi (5,453.98 km) |
| Abertawe to Ocean Pines (Maryland) | 3,450.45 mi (5,552.96 km) |
| Abertawe to Ocean Pointe (Hawaii) | 7,158.82 mi (11,521.00 km) |
| Abertawe to Ocean Springs (Mississippi) | 4,392.89 mi (7,069.67 km) |
| Abertawe to Oceanside (California) | 5,325.81 mi (8,571.07 km) |
| Abertawe to Oceanside (New York) | 3,290.18 mi (5,295.04 km) |
| Abertawe to Ocoee (Florida) | 4,181.01 mi (6,728.69 km) |
| Abertawe to Oconomowoc (Wisconsin) | 3,775.33 mi (6,075.80 km) |
| Abertawe to Odenton (Maryland) | 3,484.37 mi (5,607.55 km) |
