| Martos to Oswego (Illinois) | 4,304.79 mi (6,927.89 km) |
| Martos to Oswego (New York) | 3,705.01 mi (5,962.63 km) |
| Martos to Otsego (Minnesota) | 4,423.83 mi (7,119.46 km) |
| Martos to Ottawa (Illinois) | 4,337.68 mi (6,980.82 km) |
| Martos to Ottawa (Kansas) | 4,727.93 mi (7,608.87 km) |
| Martos to Ottumwa (Iowa) | 4,512.82 mi (7,262.69 km) |
| Martos to Overland (Missouri) | 4,497.21 mi (7,237.56 km) |
| Martos to Overland Park (Kansas) | 4,691.06 mi (7,549.53 km) |
| Martos to Overlea (Maryland) | 3,810.67 mi (6,132.68 km) |
| Martos to Oviedo (Florida) | 4,384.18 mi (7,055.66 km) |
| Martos to Owasso (Oklahoma) | 4,839.48 mi (7,788.40 km) |
| Martos to Owatonna (Minnesota) | 4,445.79 mi (7,154.81 km) |
| Martos to Owensboro (Kentucky) | 4,374.23 mi (7,039.64 km) |
| Martos to Owings Mills (Maryland) | 3,822.82 mi (6,152.23 km) |
| Martos to Owosso (Michigan) | 4,074.05 mi (6,556.55 km) |
