| Rottofreno to Oswego (Illinois) | 4,596.52 mi (7,397.39 km) |
| Rottofreno to Oswego (New York) | 4,043.68 mi (6,507.67 km) |
| Rottofreno to Otsego (Minnesota) | 4,634.30 mi (7,458.19 km) |
| Rottofreno to Ottawa (Illinois) | 4,630.47 mi (7,452.02 km) |
| Rottofreno to Ottawa (Kansas) | 5,010.32 mi (8,063.32 km) |
| Rottofreno to Ottumwa (Iowa) | 4,785.77 mi (7,701.95 km) |
| Rottofreno to Overland (Missouri) | 4,813.12 mi (7,745.97 km) |
| Rottofreno to Overland Park (Kansas) | 4,974.18 mi (8,005.17 km) |
| Rottofreno to Overlea (Maryland) | 4,207.50 mi (6,771.31 km) |
| Rottofreno to Oviedo (Florida) | 4,880.79 mi (7,854.87 km) |
| Rottofreno to Owasso (Oklahoma) | 5,144.71 mi (8,279.62 km) |
| Rottofreno to Owatonna (Minnesota) | 4,674.13 mi (7,522.28 km) |
| Rottofreno to Owensboro (Kentucky) | 4,724.03 mi (7,602.59 km) |
| Rottofreno to Owings Mills (Maryland) | 4,217.35 mi (6,787.17 km) |
| Rottofreno to Owosso (Michigan) | 4,374.46 mi (7,040.01 km) |
