| Tomar to Oberkirch | 1,022.03 mi (1,644.80 km) |
| Tomar to Obernburg am Main | 1,110.38 mi (1,786.98 km) |
| Tomar to Obernkirchen | 1,208.66 mi (1,945.14 km) |
| Tomar to Oberschleissheim | 1,155.07 mi (1,858.91 km) |
| Tomar to Oberstdorf | 1,077.16 mi (1,733.52 km) |
| Tomar to Obertraubling | 1,200.42 mi (1,931.90 km) |
| Tomar to Obertshausen | 1,107.61 mi (1,782.53 km) |
| Tomar to Oberursel | 1,103.63 mi (1,776.12 km) |
| Tomar to Ochsenfurt | 1,138.62 mi (1,832.43 km) |
| Tomar to Ochsenhausen | 1,082.21 mi (1,741.65 km) |
| Tomar to Ochtrup | 1,144.69 mi (1,842.20 km) |
| Tomar to Odenthal | 1,088.18 mi (1,751.26 km) |
| Tomar to Oelde | 1,157.91 mi (1,863.48 km) |
| Tomar to Oelsnitz | 1,245.81 mi (2,004.94 km) |
| Tomar to Oer-Erkenschwick | 1,120.24 mi (1,802.85 km) |
