| Martinengo to Oswego (Illinois) | 4,584.17 mi (7,377.51 km) |
| Martinengo to Oswego (New York) | 4,034.04 mi (6,492.16 km) |
| Martinengo to Otsego (Minnesota) | 4,618.56 mi (7,432.86 km) |
| Martinengo to Ottawa (Illinois) | 4,618.12 mi (7,432.15 km) |
| Martinengo to Ottawa (Kansas) | 4,997.11 mi (8,042.08 km) |
| Martinengo to Ottumwa (Iowa) | 4,772.41 mi (7,680.46 km) |
| Martinengo to Overland (Missouri) | 4,801.56 mi (7,727.37 km) |
| Martinengo to Overland Park (Kansas) | 4,961.05 mi (7,984.04 km) |
| Martinengo to Overlea (Maryland) | 4,200.27 mi (6,759.69 km) |
| Martinengo to Oviedo (Florida) | 4,877.66 mi (7,849.83 km) |
| Martinengo to Owasso (Oklahoma) | 5,132.35 mi (8,259.71 km) |
| Martinengo to Owatonna (Minnesota) | 4,659.06 mi (7,498.03 km) |
| Martinengo to Owensboro (Kentucky) | 4,714.06 mi (7,586.55 km) |
| Martinengo to Owings Mills (Maryland) | 4,210.01 mi (6,775.35 km) |
| Martinengo to Owosso (Michigan) | 4,362.74 mi (7,021.15 km) |
