| Herent to Oswego (Illinois) | 4,184.66 mi (6,734.56 km) |
| Herent to Oswego (New York) | 3,650.90 mi (5,875.56 km) |
| Herent to Otsego (Minnesota) | 4,203.15 mi (6,764.31 km) |
| Herent to Ottawa (Illinois) | 4,218.59 mi (6,789.17 km) |
| Herent to Ottawa (Kansas) | 4,592.78 mi (7,391.37 km) |
| Herent to Ottumwa (Iowa) | 4,367.59 mi (7,028.96 km) |
| Herent to Overland (Missouri) | 4,405.94 mi (7,090.68 km) |
| Herent to Overland Park (Kansas) | 4,557.10 mi (7,333.95 km) |
| Herent to Overlea (Maryland) | 3,832.09 mi (6,167.16 km) |
| Herent to Oviedo (Florida) | 4,536.51 mi (7,300.80 km) |
| Herent to Owasso (Oklahoma) | 4,732.01 mi (7,615.43 km) |
| Herent to Owatonna (Minnesota) | 4,246.46 mi (6,834.02 km) |
| Herent to Owensboro (Kentucky) | 4,327.51 mi (6,964.45 km) |
| Herent to Owings Mills (Maryland) | 3,841.01 mi (6,181.51 km) |
| Herent to Owosso (Michigan) | 3,966.94 mi (6,384.17 km) |
