| Umbertide to Oswego (Illinois) | 4,779.85 mi (7,692.42 km) |
| Umbertide to Oswego (New York) | 4,225.51 mi (6,800.29 km) |
| Umbertide to Otsego (Minnesota) | 4,818.03 mi (7,753.88 km) |
| Umbertide to Ottawa (Illinois) | 4,813.79 mi (7,747.05 km) |
| Umbertide to Ottawa (Kansas) | 5,193.90 mi (8,358.77 km) |
| Umbertide to Ottumwa (Iowa) | 4,969.40 mi (7,997.47 km) |
| Umbertide to Overland (Missouri) | 4,996.10 mi (8,040.44 km) |
| Umbertide to Overland Park (Kansas) | 5,157.75 mi (8,300.60 km) |
| Umbertide to Overlea (Maryland) | 4,387.13 mi (7,060.41 km) |
| Umbertide to Oviedo (Florida) | 5,054.91 mi (8,135.09 km) |
| Umbertide to Owasso (Oklahoma) | 5,328.03 mi (8,574.64 km) |
| Umbertide to Owatonna (Minnesota) | 4,857.92 mi (7,818.06 km) |
| Umbertide to Owensboro (Kentucky) | 4,906.05 mi (7,895.53 km) |
| Umbertide to Owings Mills (Maryland) | 4,397.11 mi (7,076.47 km) |
| Umbertide to Owosso (Michigan) | 4,557.53 mi (7,334.63 km) |
