| Umbertide to Oakley (California) | 6,125.20 mi (9,857.56 km) |
| Umbertide to Oakton (Virginia) | 4,440.44 mi (7,146.20 km) |
| Umbertide to Oakville (Missouri) | 5,005.59 mi (8,055.71 km) |
| Umbertide to Oatfield (Oregon) | 5,711.77 mi (9,192.21 km) |
| Umbertide to Ocala (Florida) | 5,075.65 mi (8,168.47 km) |
| Umbertide to Ocean Acres (New Jersey) | 4,274.56 mi (6,879.24 km) |
| Umbertide to Ocean City (New Jersey) | 4,307.33 mi (6,931.98 km) |
| Umbertide to Ocean Pines (Maryland) | 4,366.52 mi (7,027.24 km) |
| Umbertide to Ocean Pointe (Hawaii) | 7,930.54 mi (12,762.97 km) |
| Umbertide to Ocean Springs (Mississippi) | 5,315.58 mi (8,554.60 km) |
| Umbertide to Oceanside (California) | 6,268.40 mi (10,088.01 km) |
| Umbertide to Oceanside (New York) | 4,211.89 mi (6,778.38 km) |
| Umbertide to Ocoee (Florida) | 5,074.35 mi (8,166.38 km) |
| Umbertide to Oconomowoc (Wisconsin) | 4,723.24 mi (7,601.32 km) |
| Umbertide to Odenton (Maryland) | 4,406.82 mi (7,092.09 km) |
