| Montichiari to Oakley (California) | 5,950.45 mi (9,576.33 km) |
| Montichiari to Oakton (Virginia) | 4,285.31 mi (6,896.54 km) |
| Montichiari to Oakville (Missouri) | 4,842.16 mi (7,792.71 km) |
| Montichiari to Oatfield (Oregon) | 5,537.09 mi (8,911.09 km) |
| Montichiari to Ocala (Florida) | 4,928.77 mi (7,932.08 km) |
| Montichiari to Ocean Acres (New Jersey) | 4,120.53 mi (6,631.35 km) |
| Montichiari to Ocean City (New Jersey) | 4,153.70 mi (6,684.74 km) |
| Montichiari to Ocean Pines (Maryland) | 4,213.67 mi (6,781.25 km) |
| Montichiari to Ocean Pointe (Hawaii) | 7,768.98 mi (12,502.96 km) |
| Montichiari to Ocean Springs (Mississippi) | 5,161.01 mi (8,305.84 km) |
| Montichiari to Oceanside (California) | 6,095.05 mi (9,809.03 km) |
| Montichiari to Oceanside (New York) | 4,057.12 mi (6,529.30 km) |
| Montichiari to Ocoee (Florida) | 4,928.88 mi (7,932.27 km) |
| Montichiari to Oconomowoc (Wisconsin) | 4,557.01 mi (7,333.80 km) |
| Montichiari to Odenton (Maryland) | 4,251.91 mi (6,842.78 km) |
