| Birstall to Olympia Heights (Florida) | 4,350.32 mi (7,001.17 km) |
| Birstall to Omaha (Nebraska) | 4,156.21 mi (6,688.77 km) |
| Birstall to On Top of the World Designated Place (Florida) | 4,252.82 mi (6,844.25 km) |
| Birstall to Onalaska (Wisconsin) | 3,854.32 mi (6,202.93 km) |
| Birstall to Oneida (New York) | 3,313.20 mi (5,332.09 km) |
| Birstall to Oneonta (New York) | 3,317.83 mi (5,339.52 km) |
| Birstall to Ontario (California) | 5,271.83 mi (8,484.19 km) |
| Birstall to Ontario (Oregon) | 4,681.91 mi (7,534.80 km) |
| Birstall to Opa-locka (Florida) | 4,337.72 mi (6,980.89 km) |
| Birstall to Opelika (Alabama) | 4,192.89 mi (6,747.81 km) |
| Birstall to Opelousas (Louisiana) | 4,564.38 mi (7,345.65 km) |
| Birstall to Orange (California) | 5,292.21 mi (8,516.99 km) |
| Birstall to Orange (Texas) | 4,650.15 mi (7,483.69 km) |
| Birstall to Orange City (Florida) | 4,221.58 mi (6,793.97 km) |
| Birstall to Orangeburg (South Carolina) | 3,972.86 mi (6,393.69 km) |
