| Roura to Oswego (Illinois) | 3,381.04 mi (5,441.25 km) |
| Roura to Oswego (New York) | 3,054.74 mi (4,916.12 km) |
| Roura to Otsego (Minnesota) | 3,741.67 mi (6,021.64 km) |
| Roura to Ottawa (Illinois) | 3,386.65 mi (5,450.28 km) |
| Roura to Ottawa (Kansas) | 3,562.50 mi (5,733.29 km) |
| Roura to Ottumwa (Iowa) | 3,523.49 mi (5,670.51 km) |
| Roura to Overland (Missouri) | 3,342.93 mi (5,379.92 km) |
| Roura to Overland Park (Kansas) | 3,545.69 mi (5,706.24 km) |
| Roura to Overlea (Maryland) | 2,830.14 mi (4,554.67 km) |
| Roura to Oviedo (Florida) | 2,511.19 mi (4,041.37 km) |
| Roura to Owasso (Oklahoma) | 3,512.68 mi (5,653.11 km) |
| Roura to Owatonna (Minnesota) | 3,678.86 mi (5,920.56 km) |
| Roura to Owensboro (Kentucky) | 3,162.13 mi (5,088.95 km) |
| Roura to Owings Mills (Maryland) | 2,841.83 mi (4,573.48 km) |
| Roura to Owosso (Michigan) | 3,282.82 mi (5,283.18 km) |
