| Martin to Oswego (Illinois) | 4,772.36 mi (7,680.37 km) |
| Martin to Oswego (New York) | 4,260.71 mi (6,856.96 km) |
| Martin to Otsego (Minnesota) | 4,761.04 mi (7,662.15 km) |
| Martin to Ottawa (Illinois) | 4,806.11 mi (7,734.69 km) |
| Martin to Ottawa (Kansas) | 5,170.92 mi (8,321.78 km) |
| Martin to Ottumwa (Iowa) | 4,945.95 mi (7,959.73 km) |
| Martin to Overland (Missouri) | 4,998.20 mi (8,043.82 km) |
| Martin to Overland Park (Kansas) | 5,136.05 mi (8,265.67 km) |
| Martin to Overlea (Maryland) | 4,453.82 mi (7,167.73 km) |
| Martin to Oviedo (Florida) | 5,171.48 mi (8,322.69 km) |
| Martin to Owasso (Oklahoma) | 5,316.01 mi (8,555.30 km) |
| Martin to Owatonna (Minnesota) | 4,810.48 mi (7,741.73 km) |
| Martin to Owensboro (Kentucky) | 4,931.18 mi (7,935.97 km) |
| Martin to Owings Mills (Maryland) | 4,462.12 mi (7,181.09 km) |
| Martin to Owosso (Michigan) | 4,560.85 mi (7,339.99 km) |
