| Great Bend to Oberkirch | 4,953.04 mi (7,971.14 km) |
| Great Bend to Obernburg am Main | 4,935.22 mi (7,942.46 km) |
| Great Bend to Obernkirchen | 4,831.75 mi (7,775.95 km) |
| Great Bend to Oberschleissheim | 5,089.71 mi (8,191.10 km) |
| Great Bend to Oberstdorf | 5,080.85 mi (8,176.83 km) |
| Great Bend to Obertraubling | 5,078.82 mi (8,173.57 km) |
| Great Bend to Obertshausen | 4,914.78 mi (7,909.58 km) |
| Great Bend to Oberursel | 4,900.02 mi (7,885.83 km) |
| Great Bend to Ochsenfurt | 4,975.74 mi (8,007.68 km) |
| Great Bend to Ochsenhausen | 5,039.98 mi (8,111.07 km) |
| Great Bend to Ochtrup | 4,768.95 mi (7,674.88 km) |
| Great Bend to Odenthal | 4,814.38 mi (7,748.00 km) |
| Great Bend to Oelde | 4,817.05 mi (7,752.29 km) |
| Great Bend to Oelsnitz | 5,014.31 mi (8,069.76 km) |
| Great Bend to Oer-Erkenschwick | 4,794.06 mi (7,715.29 km) |
