| San Roque to Oberkirch | 1,090.98 mi (1,755.77 km) |
| San Roque to Obernburg am Main | 1,189.41 mi (1,914.18 km) |
| San Roque to Obernkirchen | 1,315.97 mi (2,117.85 km) |
| San Roque to Oberschleissheim | 1,196.67 mi (1,925.86 km) |
| San Roque to Oberstdorf | 1,113.86 mi (1,792.58 km) |
| San Roque to Obertraubling | 1,248.76 mi (2,009.68 km) |
| San Roque to Obertshausen | 1,191.69 mi (1,917.85 km) |
| San Roque to Oberursel | 1,191.24 mi (1,917.11 km) |
| San Roque to Ochsenfurt | 1,208.94 mi (1,945.59 km) |
| San Roque to Ochsenhausen | 1,131.16 mi (1,820.42 km) |
| San Roque to Ochtrup | 1,264.47 mi (2,034.97 km) |
| San Roque to Odenthal | 1,196.28 mi (1,925.22 km) |
| San Roque to Oelde | 1,267.18 mi (2,039.33 km) |
| San Roque to Oelsnitz | 1,313.22 mi (2,113.42 km) |
| San Roque to Oer-Erkenschwick | 1,233.88 mi (1,985.74 km) |
