| Bruck an der Mur to Olympia Heights (Florida) | 5,177.26 mi (8,331.99 km) |
| Bruck an der Mur to Omaha (Nebraska) | 5,009.77 mi (8,062.45 km) |
| Bruck an der Mur to On Top of the World Designated Place (Florida) | 5,093.39 mi (8,197.01 km) |
| Bruck an der Mur to Onalaska (Wisconsin) | 4,709.19 mi (7,578.71 km) |
| Bruck an der Mur to Oneida (New York) | 4,169.35 mi (6,709.92 km) |
| Bruck an der Mur to Oneonta (New York) | 4,172.80 mi (6,715.47 km) |
| Bruck an der Mur to Ontario (California) | 6,097.43 mi (9,812.87 km) |
| Bruck an der Mur to Ontario (Oregon) | 5,483.69 mi (8,825.15 km) |
| Bruck an der Mur to Opa-locka (Florida) | 5,164.93 mi (8,312.15 km) |
| Bruck an der Mur to Opelika (Alabama) | 5,045.06 mi (8,119.24 km) |
| Bruck an der Mur to Opelousas (Louisiana) | 5,420.87 mi (8,724.05 km) |
| Bruck an der Mur to Orange (California) | 6,117.68 mi (9,845.46 km) |
| Bruck an der Mur to Orange (Texas) | 5,507.47 mi (8,863.41 km) |
| Bruck an der Mur to Orange City (Florida) | 5,059.55 mi (8,142.57 km) |
| Bruck an der Mur to Orangeburg (South Carolina) | 4,819.97 mi (7,756.99 km) |
