| Ahaus to Olympia Heights (Florida) | 4,726.30 mi (7,606.24 km) |
| Ahaus to Omaha (Nebraska) | 4,520.75 mi (7,275.45 km) |
| Ahaus to On Top of the World Designated Place (Florida) | 4,630.92 mi (7,452.75 km) |
| Ahaus to Onalaska (Wisconsin) | 4,220.43 mi (6,792.13 km) |
| Ahaus to Oneida (New York) | 3,690.52 mi (5,939.32 km) |
| Ahaus to Oneonta (New York) | 3,695.61 mi (5,947.51 km) |
| Ahaus to Ontario (California) | 5,613.58 mi (9,034.18 km) |
| Ahaus to Ontario (Oregon) | 5,007.49 mi (8,058.78 km) |
| Ahaus to Opa-locka (Florida) | 4,713.75 mi (7,586.04 km) |
| Ahaus to Opelika (Alabama) | 4,571.19 mi (7,356.62 km) |
| Ahaus to Opelousas (Louisiana) | 4,941.34 mi (7,952.32 km) |
| Ahaus to Orange (California) | 5,633.87 mi (9,066.84 km) |
| Ahaus to Orange (Texas) | 5,026.51 mi (8,089.39 km) |
| Ahaus to Orange City (Florida) | 4,599.36 mi (7,401.96 km) |
| Ahaus to Orangeburg (South Carolina) | 4,351.39 mi (7,002.89 km) |
