| Feldkirchen to Olympia Heights (Florida) | 5,143.12 mi (8,277.05 km) |
| Feldkirchen to Omaha (Nebraska) | 5,001.00 mi (8,048.34 km) |
| Feldkirchen to On Top of the World Designated Place (Florida) | 5,063.54 mi (8,148.98 km) |
| Feldkirchen to Onalaska (Wisconsin) | 4,699.37 mi (7,562.90 km) |
| Feldkirchen to Oneida (New York) | 4,148.36 mi (6,676.14 km) |
| Feldkirchen to Oneonta (New York) | 4,150.74 mi (6,679.97 km) |
| Feldkirchen to Ontario (California) | 6,100.96 mi (9,818.55 km) |
| Feldkirchen to Ontario (Oregon) | 5,493.18 mi (8,840.42 km) |
| Feldkirchen to Opa-locka (Florida) | 5,130.87 mi (8,257.34 km) |
| Feldkirchen to Opelika (Alabama) | 5,020.63 mi (8,079.92 km) |
| Feldkirchen to Opelousas (Louisiana) | 5,399.82 mi (8,690.16 km) |
| Feldkirchen to Orange (California) | 6,121.26 mi (9,851.21 km) |
| Feldkirchen to Orange (Texas) | 5,487.43 mi (8,831.17 km) |
| Feldkirchen to Orange City (Florida) | 5,028.82 mi (8,093.10 km) |
| Feldkirchen to Orangeburg (South Carolina) | 4,792.94 mi (7,713.50 km) |
