| Modra to Oswego (Illinois) | 4,748.35 mi (7,641.74 km) |
| Modra to Oswego (New York) | 4,228.83 mi (6,805.65 km) |
| Modra to Otsego (Minnesota) | 4,745.58 mi (7,637.27 km) |
| Modra to Ottawa (Illinois) | 4,782.18 mi (7,696.18 km) |
| Modra to Ottawa (Kansas) | 5,150.08 mi (8,288.25 km) |
| Modra to Ottumwa (Iowa) | 4,924.90 mi (7,925.86 km) |
| Modra to Overland (Missouri) | 4,972.86 mi (8,003.04 km) |
| Modra to Overland Park (Kansas) | 5,114.95 mi (8,231.71 km) |
| Modra to Overlea (Maryland) | 4,417.06 mi (7,108.57 km) |
| Modra to Oviedo (Florida) | 5,127.63 mi (8,252.12 km) |
| Modra to Owasso (Oklahoma) | 5,293.47 mi (8,519.02 km) |
| Modra to Owatonna (Minnesota) | 4,793.42 mi (7,714.26 km) |
| Modra to Owensboro (Kentucky) | 4,901.88 mi (7,888.82 km) |
| Modra to Owings Mills (Maryland) | 4,425.64 mi (7,122.38 km) |
| Modra to Owosso (Michigan) | 4,534.73 mi (7,297.94 km) |
