| Chur to Olympia Heights (Florida) | 4,937.13 mi (7,945.54 km) |
| Chur to Omaha (Nebraska) | 4,832.29 mi (7,776.81 km) |
| Chur to On Top of the World Designated Place (Florida) | 4,862.28 mi (7,825.08 km) |
| Chur to Onalaska (Wisconsin) | 4,528.99 mi (7,288.70 km) |
| Chur to Oneida (New York) | 3,959.62 mi (6,372.39 km) |
| Chur to Oneonta (New York) | 3,960.40 mi (6,373.64 km) |
| Chur to Ontario (California) | 5,956.07 mi (9,585.37 km) |
| Chur to Ontario (Oregon) | 5,362.72 mi (8,630.47 km) |
| Chur to Opa-locka (Florida) | 4,924.97 mi (7,925.97 km) |
| Chur to Opelika (Alabama) | 4,826.32 mi (7,767.21 km) |
| Chur to Opelousas (Louisiana) | 5,210.13 mi (8,384.89 km) |
| Chur to Orange (California) | 5,976.44 mi (9,618.16 km) |
| Chur to Orange (Texas) | 5,299.22 mi (8,528.27 km) |
| Chur to Orange City (Florida) | 4,826.53 mi (7,767.55 km) |
| Chur to Orangeburg (South Carolina) | 4,595.30 mi (7,395.41 km) |
