| Catalca to Oberkirch | 1,116.74 mi (1,797.21 km) |
| Catalca to Obernburg am Main | 1,107.20 mi (1,781.87 km) |
| Catalca to Obernkirchen | 1,189.61 mi (1,914.50 km) |
| Catalca to Oberschleissheim | 961.22 mi (1,546.93 km) |
| Catalca to Oberstdorf | 995.15 mi (1,601.54 km) |
| Catalca to Obertraubling | 958.57 mi (1,542.67 km) |
| Catalca to Obertshausen | 1,126.32 mi (1,812.64 km) |
| Catalca to Oberursel | 1,140.64 mi (1,835.68 km) |
| Catalca to Ochsenfurt | 1,064.32 mi (1,712.85 km) |
| Catalca to Ochsenhausen | 1,025.30 mi (1,650.06 km) |
| Catalca to Ochtrup | 1,257.55 mi (2,023.83 km) |
| Catalca to Odenthal | 1,223.17 mi (1,968.50 km) |
| Catalca to Oelde | 1,209.38 mi (1,946.30 km) |
| Catalca to Oelsnitz | 1,009.75 mi (1,625.03 km) |
| Catalca to Oer-Erkenschwick | 1,236.84 mi (1,990.50 km) |
