| Graham to Oberkirch | 5,193.53 mi (8,358.18 km) |
| Graham to Obernburg am Main | 5,142.70 mi (8,276.38 km) |
| Graham to Obernkirchen | 5,000.35 mi (8,047.29 km) |
| Graham to Oberschleissheim | 5,293.55 mi (8,519.14 km) |
| Graham to Oberstdorf | 5,313.00 mi (8,550.44 km) |
| Graham to Obertraubling | 5,264.60 mi (8,472.56 km) |
| Graham to Obertshausen | 5,122.15 mi (8,243.31 km) |
| Graham to Oberursel | 5,108.10 mi (8,220.69 km) |
| Graham to Ochsenfurt | 5,175.60 mi (8,329.32 km) |
| Graham to Ochsenhausen | 5,265.87 mi (8,474.59 km) |
| Graham to Ochtrup | 4,959.41 mi (7,981.39 km) |
| Graham to Odenthal | 5,025.16 mi (8,087.22 km) |
| Graham to Oelde | 5,003.31 mi (8,052.05 km) |
| Graham to Oelsnitz | 5,177.92 mi (8,333.06 km) |
| Graham to Oer-Erkenschwick | 4,993.27 mi (8,035.89 km) |
