| Abertillery to Oswego (Illinois) | 3,861.78 mi (6,214.93 km) |
| Abertillery to Oswego (New York) | 3,319.18 mi (5,341.70 km) |
| Abertillery to Otsego (Minnesota) | 3,894.00 mi (6,266.79 km) |
| Abertillery to Ottawa (Illinois) | 3,895.73 mi (6,269.58 km) |
| Abertillery to Ottawa (Kansas) | 4,273.41 mi (6,877.40 km) |
| Abertillery to Ottumwa (Iowa) | 4,048.56 mi (6,515.53 km) |
| Abertillery to Overland (Missouri) | 4,080.71 mi (6,567.26 km) |
| Abertillery to Overland Park (Kansas) | 4,237.44 mi (6,819.50 km) |
| Abertillery to Overlea (Maryland) | 3,495.50 mi (5,625.47 km) |
| Abertillery to Oviedo (Florida) | 4,195.76 mi (6,752.42 km) |
| Abertillery to Owasso (Oklahoma) | 4,409.82 mi (7,096.92 km) |
| Abertillery to Owatonna (Minnesota) | 3,934.30 mi (6,331.65 km) |
| Abertillery to Owensboro (Kentucky) | 3,997.56 mi (6,433.45 km) |
| Abertillery to Owings Mills (Maryland) | 3,504.64 mi (5,640.17 km) |
| Abertillery to Owosso (Michigan) | 3,641.66 mi (5,860.68 km) |
