| Urbana to Oberkirch | 4,470.28 mi (7,194.21 km) |
| Urbana to Obernburg am Main | 4,461.50 mi (7,180.09 km) |
| Urbana to Obernkirchen | 4,370.89 mi (7,034.26 km) |
| Urbana to Oberschleissheim | 4,613.92 mi (7,425.39 km) |
| Urbana to Oberstdorf | 4,597.84 mi (7,399.50 km) |
| Urbana to Obertraubling | 4,608.07 mi (7,415.96 km) |
| Urbana to Obertshausen | 4,441.51 mi (7,147.92 km) |
| Urbana to Oberursel | 4,426.86 mi (7,124.35 km) |
| Urbana to Ochsenfurt | 4,503.26 mi (7,247.30 km) |
| Urbana to Ochsenhausen | 4,559.36 mi (7,337.59 km) |
| Urbana to Ochtrup | 4,303.35 mi (6,925.57 km) |
| Urbana to Odenthal | 4,342.25 mi (6,988.17 km) |
| Urbana to Oelde | 4,351.58 mi (7,003.19 km) |
| Urbana to Oelsnitz | 4,550.93 mi (7,324.02 km) |
| Urbana to Oer-Erkenschwick | 4,325.51 mi (6,961.23 km) |
