| Garden Grove to Oberkirch | 5,850.62 mi (9,415.67 km) |
| Garden Grove to Obernburg am Main | 5,815.70 mi (9,359.47 km) |
| Garden Grove to Obernkirchen | 5,690.21 mi (9,157.51 km) |
| Garden Grove to Oberschleissheim | 5,970.64 mi (9,608.81 km) |
| Garden Grove to Oberstdorf | 5,976.13 mi (9,617.65 km) |
| Garden Grove to Obertraubling | 5,950.16 mi (9,575.86 km) |
| Garden Grove to Obertshausen | 5,794.90 mi (9,325.99 km) |
| Garden Grove to Oberursel | 5,780.28 mi (9,302.47 km) |
| Garden Grove to Ochsenfurt | 5,852.89 mi (9,419.32 km) |
| Garden Grove to Ochsenhausen | 5,931.48 mi (9,545.80 km) |
| Garden Grove to Ochtrup | 5,638.00 mi (9,073.48 km) |
| Garden Grove to Odenthal | 5,694.72 mi (9,164.76 km) |
| Garden Grove to Oelde | 5,684.65 mi (9,148.55 km) |
| Garden Grove to Oelsnitz | 5,872.92 mi (9,451.55 km) |
| Garden Grove to Oer-Erkenschwick | 5,668.08 mi (9,121.89 km) |
