| Balch Springs to Oberkirch | 5,162.06 mi (8,307.53 km) |
| Balch Springs to Obernburg am Main | 5,153.55 mi (8,293.84 km) |
| Balch Springs to Obernkirchen | 5,062.43 mi (8,147.20 km) |
| Balch Springs to Oberschleissheim | 5,305.95 mi (8,539.09 km) |
| Balch Springs to Oberstdorf | 5,289.57 mi (8,512.75 km) |
| Balch Springs to Obertraubling | 5,300.10 mi (8,529.68 km) |
| Balch Springs to Obertshausen | 5,133.56 mi (8,261.66 km) |
| Balch Springs to Oberursel | 5,118.91 mi (8,238.09 km) |
| Balch Springs to Ochsenfurt | 5,195.31 mi (8,361.04 km) |
| Balch Springs to Ochsenhausen | 5,251.24 mi (8,451.06 km) |
| Balch Springs to Ochtrup | 4,995.17 mi (8,038.96 km) |
| Balch Springs to Odenthal | 5,034.29 mi (8,101.90 km) |
| Balch Springs to Oelde | 5,043.41 mi (8,116.58 km) |
| Balch Springs to Oelsnitz | 5,242.70 mi (8,437.30 km) |
| Balch Springs to Oer-Erkenschwick | 5,017.46 mi (8,074.82 km) |
