| Modugno to Oberkirch | 667.57 mi (1,074.35 km) |
| Modugno to Obernburg am Main | 708.53 mi (1,140.26 km) |
| Modugno to Obernkirchen | 852.73 mi (1,372.34 km) |
| Modugno to Oberschleissheim | 557.27 mi (896.83 km) |
| Modugno to Oberstdorf | 542.44 mi (872.97 km) |
| Modugno to Obertraubling | 589.16 mi (948.16 km) |
| Modugno to Obertshausen | 729.19 mi (1,173.52 km) |
| Modugno to Oberursel | 743.43 mi (1,196.44 km) |
| Modugno to Ochsenfurt | 675.12 mi (1,086.49 km) |
| Modugno to Ochsenhausen | 587.98 mi (946.27 km) |
| Modugno to Ochtrup | 891.35 mi (1,434.50 km) |
| Modugno to Odenthal | 827.57 mi (1,331.85 km) |
| Modugno to Oelde | 847.48 mi (1,363.89 km) |
| Modugno to Oelsnitz | 681.86 mi (1,097.35 km) |
| Modugno to Oer-Erkenschwick | 857.94 mi (1,380.72 km) |
