| Springboro to Oberkirch | 4,341.23 mi (6,986.53 km) |
| Springboro to Obernburg am Main | 4,337.39 mi (6,980.36 km) |
| Springboro to Obernkirchen | 4,253.94 mi (6,846.05 km) |
| Springboro to Oberschleissheim | 4,488.19 mi (7,223.04 km) |
| Springboro to Oberstdorf | 4,468.24 mi (7,190.94 km) |
| Springboro to Obertraubling | 4,485.04 mi (7,217.98 km) |
| Springboro to Obertshausen | 4,317.71 mi (6,948.68 km) |
| Springboro to Oberursel | 4,303.17 mi (6,925.28 km) |
| Springboro to Ochsenfurt | 4,379.67 mi (7,048.40 km) |
| Springboro to Ochsenhausen | 4,431.20 mi (7,131.32 km) |
| Springboro to Ochtrup | 4,184.15 mi (6,733.74 km) |
| Springboro to Odenthal | 4,219.41 mi (6,790.48 km) |
| Springboro to Oelde | 4,232.26 mi (6,811.17 km) |
| Springboro to Oelsnitz | 4,432.00 mi (7,132.62 km) |
| Springboro to Oer-Erkenschwick | 4,204.65 mi (6,766.73 km) |
