| Roznov pod Radhostem to Olympia Heights (Florida) | 5,244.78 mi (8,440.65 km) |
| Roznov pod Radhostem to Omaha (Nebraska) | 5,008.33 mi (8,060.13 km) |
| Roznov pod Radhostem to On Top of the World Designated Place (Florida) | 5,149.08 mi (8,286.64 km) |
| Roznov pod Radhostem to Onalaska (Wisconsin) | 4,711.13 mi (7,581.83 km) |
| Roznov pod Radhostem to Oneida (New York) | 4,202.45 mi (6,763.19 km) |
| Roznov pod Radhostem to Oneonta (New York) | 4,208.78 mi (6,773.38 km) |
| Roznov pod Radhostem to Ontario (California) | 6,061.71 mi (9,755.38 km) |
| Roznov pod Radhostem to Ontario (Oregon) | 5,433.47 mi (8,744.33 km) |
| Roznov pod Radhostem to Opa-locka (Florida) | 5,232.24 mi (8,420.47 km) |
| Roznov pod Radhostem to Opelika (Alabama) | 5,085.92 mi (8,184.99 km) |
| Roznov pod Radhostem to Opelousas (Louisiana) | 5,451.87 mi (8,773.93 km) |
| Roznov pod Radhostem to Orange (California) | 6,081.81 mi (9,787.73 km) |
| Roznov pod Radhostem to Orange (Texas) | 5,535.53 mi (8,908.58 km) |
| Roznov pod Radhostem to Orange City (Florida) | 5,117.78 mi (8,236.27 km) |
| Roznov pod Radhostem to Orangeburg (South Carolina) | 4,868.32 mi (7,834.80 km) |
