| Reus to Oswego (Illinois) | 4,401.20 mi (7,083.04 km) |
| Reus to Oswego (New York) | 3,817.93 mi (6,144.36 km) |
| Reus to Otsego (Minnesota) | 4,485.84 mi (7,219.27 km) |
| Reus to Ottawa (Illinois) | 4,434.75 mi (7,137.05 km) |
| Reus to Ottawa (Kansas) | 4,822.87 mi (7,761.66 km) |
| Reus to Ottumwa (Iowa) | 4,602.39 mi (7,406.82 km) |
| Reus to Overland (Missouri) | 4,605.33 mi (7,411.56 km) |
| Reus to Overland Park (Kansas) | 4,786.10 mi (7,702.49 km) |
| Reus to Overlea (Maryland) | 3,950.12 mi (6,357.10 km) |
| Reus to Oviedo (Florida) | 4,571.22 mi (7,356.67 km) |
| Reus to Owasso (Oklahoma) | 4,944.95 mi (7,958.13 km) |
| Reus to Owatonna (Minnesota) | 4,515.64 mi (7,267.23 km) |
| Reus to Owensboro (Kentucky) | 4,496.40 mi (7,236.26 km) |
| Reus to Owings Mills (Maryland) | 3,961.33 mi (6,375.14 km) |
| Reus to Owosso (Michigan) | 4,172.73 mi (6,715.36 km) |
