| Roudnice nad Labem to Obernburg am Main | 230.31 mi (370.65 km) |
| Roudnice nad Labem to Obernkirchen | 255.77 mi (411.63 km) |
| Roudnice nad Labem to Oberschleissheim | 193.14 mi (310.83 km) |
| Roudnice nad Labem to Oberstdorf | 275.81 mi (443.87 km) |
| Roudnice nad Labem to Obertraubling | 137.60 mi (221.44 km) |
| Roudnice nad Labem to Obertshausen | 241.08 mi (387.98 km) |
| Roudnice nad Labem to Oberursel | 251.23 mi (404.32 km) |
| Roudnice nad Labem to Ochsenfurt | 193.69 mi (311.72 km) |
| Roudnice nad Labem to Ochsenhausen | 253.48 mi (407.93 km) |
| Roudnice nad Labem to Ochtrup | 329.05 mi (529.56 km) |
| Roudnice nad Labem to Odenthal | 315.17 mi (507.22 km) |
| Roudnice nad Labem to Oelde | 282.19 mi (454.15 km) |
| Roudnice nad Labem to Oelsnitz | 92.23 mi (148.43 km) |
| Roudnice nad Labem to Oer-Erkenschwick | 315.88 mi (508.35 km) |
| Roudnice nad Labem to Oerlinghausen | 264.54 mi (425.73 km) |
