| Mendrisio to Odessa (Texas) | 5,566.21 mi (8,957.94 km) |
| Mendrisio to Ogden (Utah) | 5,406.44 mi (8,700.82 km) |
| Mendrisio to Oildale (California) | 5,954.42 mi (9,582.72 km) |
| Mendrisio to Ojus (Florida) | 4,914.32 mi (7,908.83 km) |
| Mendrisio to Okemos (Michigan) | 4,341.88 mi (6,987.58 km) |
| Mendrisio to Oklahoma City (Oklahoma) | 5,195.96 mi (8,362.09 km) |
| Mendrisio to Okmulgee (Oklahoma) | 5,129.86 mi (8,255.71 km) |
| Mendrisio to Olathe (Kansas) | 4,923.84 mi (7,924.15 km) |
| Mendrisio to Old Jamestown (Missouri) | 4,748.79 mi (7,642.45 km) |
| Mendrisio to Oldsmar (Florida) | 4,929.83 mi (7,933.79 km) |
| Mendrisio to Olean (New York) | 4,125.84 mi (6,639.89 km) |
| Mendrisio to Olive Branch (Mississippi) | 4,913.59 mi (7,907.65 km) |
| Mendrisio to Olivehurst (California) | 5,817.44 mi (9,362.26 km) |
| Mendrisio to Olney (Maryland) | 4,189.99 mi (6,743.14 km) |
| Mendrisio to Olympia (Washington) | 5,386.94 mi (8,669.44 km) |
