| Abertillery to Oakley (California) | 5,218.58 mi (8,398.49 km) |
| Abertillery to Oakton (Virginia) | 3,548.82 mi (5,711.27 km) |
| Abertillery to Oakville (Missouri) | 4,090.71 mi (6,583.36 km) |
| Abertillery to Oatfield (Oregon) | 4,822.84 mi (7,761.62 km) |
| Abertillery to Ocala (Florida) | 4,210.46 mi (6,776.07 km) |
| Abertillery to Ocean Acres (New Jersey) | 3,386.84 mi (5,450.59 km) |
| Abertillery to Ocean City (New Jersey) | 3,420.88 mi (5,505.37 km) |
| Abertillery to Ocean Pines (Maryland) | 3,482.53 mi (5,604.60 km) |
| Abertillery to Ocean Pointe (Hawaii) | 7,166.19 mi (11,532.87 km) |
| Abertillery to Ocean Springs (Mississippi) | 4,424.29 mi (7,120.21 km) |
| Abertillery to Oceanside (California) | 5,348.54 mi (8,607.65 km) |
| Abertillery to Oceanside (New York) | 3,321.88 mi (5,346.04 km) |
| Abertillery to Ocoee (Florida) | 4,214.23 mi (6,782.14 km) |
| Abertillery to Oconomowoc (Wisconsin) | 3,803.01 mi (6,120.35 km) |
| Abertillery to Odenton (Maryland) | 3,515.96 mi (5,658.39 km) |
