| Saint-Nazaire to Obernburg am Main | 548.08 mi (882.05 km) |
| Saint-Nazaire to Obernkirchen | 611.05 mi (983.39 km) |
| Saint-Nazaire to Oberschleissheim | 642.71 mi (1,034.35 km) |
| Saint-Nazaire to Oberstdorf | 584.37 mi (940.45 km) |
| Saint-Nazaire to Obertraubling | 672.48 mi (1,082.25 km) |
| Saint-Nazaire to Obertshausen | 539.11 mi (867.61 km) |
| Saint-Nazaire to Oberursel | 531.12 mi (854.75 km) |
| Saint-Nazaire to Ochsenfurt | 585.36 mi (942.05 km) |
| Saint-Nazaire to Ochsenhausen | 567.92 mi (913.98 km) |
| Saint-Nazaire to Ochtrup | 540.06 mi (869.14 km) |
| Saint-Nazaire to Odenthal | 494.69 mi (796.13 km) |
| Saint-Nazaire to Oelde | 560.47 mi (902.00 km) |
| Saint-Nazaire to Oelsnitz | 687.70 mi (1,106.74 km) |
| Saint-Nazaire to Oer-Erkenschwick | 520.68 mi (837.96 km) |
| Saint-Nazaire to Oerlinghausen | 584.17 mi (940.13 km) |
