| Carbondale to Oberkirch | 4,624.42 mi (7,442.29 km) |
| Carbondale to Obernburg am Main | 4,617.87 mi (7,431.74 km) |
| Carbondale to Obernkirchen | 4,530.15 mi (7,290.57 km) |
| Carbondale to Oberschleissheim | 4,769.62 mi (7,675.96 km) |
| Carbondale to Oberstdorf | 4,751.77 mi (7,647.23 km) |
| Carbondale to Obertraubling | 4,764.94 mi (7,668.42 km) |
| Carbondale to Obertshausen | 4,598.00 mi (7,399.77 km) |
| Carbondale to Oberursel | 4,583.40 mi (7,376.26 km) |
| Carbondale to Ochsenfurt | 4,659.86 mi (7,499.32 km) |
| Carbondale to Ochsenhausen | 4,713.95 mi (7,586.36 km) |
| Carbondale to Ochtrup | 4,461.71 mi (7,180.42 km) |
| Carbondale to Odenthal | 4,499.12 mi (7,240.63 km) |
| Carbondale to Oelde | 4,509.90 mi (7,257.99 km) |
| Carbondale to Oelsnitz | 4,709.47 mi (7,579.17 km) |
| Carbondale to Oer-Erkenschwick | 4,483.20 mi (7,215.01 km) |
